Broken wb and magenta tint shift on all my 30D images

Question

Hi everybody...I know that there is another post regarding images going green...I read it all and tried to follow some of the listed suggestions but no success at all...I'm really in the middle of nowhere, don't know what to do to escape from this nightmare!.
All my Canon 30D images in Aperture 3 shows completely broken wb and magenta tint!...
I did not experience any of the problems during upgrading and import my previous library from Aperture 2...It was months ago...I decide to reprocess all my images because my intention was to start working and adjusting my photo after a period when I just "accumulated" them in projects and nothing else.
it wasn't like this a month ago, honestly I can't remember at which point all this happened...one month ago I did some jpeg export from a project and the images were ok, I mean the masters and the exported jpeg. I returned to Aperture to start performing some adjustments on few images here and there in different projects...and, horrible surprise, just reviewing some images recently imported I noticed the difference between the photo in the filmstrip and the one in the viewer...
I just run randomly on different projects and....disaster....the same broken wb and magenta tint..all of my 30D images, 350D shows correctly.
It shows "loading" for a second and then the image is turning with a heavy magenta cast on it...if I am in split view the image in the filmstrip shows correct wb while the one in the viewer is affected by the magenta tint.
If I press once M to show the master image I see this: for a second the image shows the correct wb then appears the magenta tint. I press M to quit the master view and the image is the same with magenta...and then again press M and there is no longer the brief "flash" showing the image with the right wb and no magenta tint.
I tried some of the solutions listed in other threads i.e. moving/deleting the Raw Decode plist file....repair and rebuild....nothing seems to work...I can't explain how I feel...I spent a lot of time to organize folders, projects albums, and now that finally I decided to start working on my photos I found them all broken.
This is happening on my iMac 20" alu with snow leopard 10.6.3 and the latest Aperture update 3.0.3...but also on my macbookpro 13" with the same os version and Aperture 3.0.2.
I don't know what to do...I love Aperture, i run it for long time on my Powerbook G4 (Aperture 2.1.4) and honestly I don't even want to think about switching to another software.
Anyone's help or suggestion are welcome. I want to fix this, I have to!.
Bye,
Alberto

Answer 1

Hello KBeat,
first of all a huge and sincere "Thank you!" for your considerations and suggestions!.
Like I said in my previous post I found that some images shot with 30D now looks better...my first "samples" on the 30D images (I have around 3,500) shows that images not ever adjusted looks better, some images with adjustments done in Aperture 2 still looks good, others aren't...
BUT...some of the bad looking images that shows the magenta shift (light or heavy to purple) also have the white balance adjustment brick selected...I just deselect it and, bam!, the images turn back to the right white balance settings....well, maybe it's still not correct but at least was the "original" one, I mean that is the image wb setting since first import two years ago.
For this group of images, small at the moment, the additional "work" requested is to deselect the white balance adjustment brick to obtain the "old" image, ready to be processed with the new raw decoder, leading to a better result.....I really hope to find more and more of those images between those affected because it involves to deselect the brick and that's done.
Since now I have to say that the most affected are portraits/models images where skin tones now are rendered in a way that looks ipersaturated and completely unrealistic, thanks to the magenta shift.
Well, I can't say I'm happy with this, at least not "for free"! I mean I'll probably be happy right after some works on the images...my library at the moment is "compromised".
It needs work, and a lot of it, and this is not good, well the immediate reaction facing this new "challenge" it's far from being something "good". I'm happy to have a small library and so the extra work forced by the "corrected" 30D files handling looks, well, limited...I want to be positive, after a very very...VERY discouraging start!
Now, to the white bal card suggestion you gave...
Correct me if I'm wrong or did not understand what you wrote...you think that if now I shot a white bal card with 30D, import it in Aperture and use it for the magenta shifted images the big work is done? This, lift&stamp to the rescue, could be a huge timesaver!
Am I dreaming? Am I now into a too positive mood with this problem? Eh, eh...hope not!
I have an image shot to a white bal card but it was taken with the 350D because of it's inability to set a temperature in-camera, in a recent shooting involving studio flash and lights I set 3200K on the 30D with the proper menu setting and shot the white bal card with the 350D to have the most consistent result....but with 350D results were good even if I set a white balance choosed from the various in-camera options (cloudy, tungsten....).
Unfortunately I'll be abroad for work all next week, it will be impossible for me to work with my photos and playing with Aperture, today shops are closed so no white balance card...and I have lot of things to do at home, argh!.
Well, thank again for the kind suggestions and support, I really really thank you all!.
Of course I'll post immediately if I found something else on this matter, and to report progresses or else!.
Bye!
Alberto