Disconnect+reconnect external display = washed out image

hi guys
I need some expert help on this. Using a Dell E178 WFP external display on my 2010 Macbook Pro via mini-DVI-to-VGA adapter. This display has no EDID it seems so I use SwitchResX to create the necessary resolution override (1440x900). SwitchResX has nothing such as daemons or helpers installed on top, so this boils down to graphics drivers.
My problem: When I reboot the machine, the display has the necessary brightness, contrast, and colour balance. If I unplug the display, wait a sec, then plug it back in, the image comes up very bright and washed out, and I can't get a "true" black out of the display.
What this isn't: I have a ColorSync profile, and make sure it is successfullly loaded, i.e. I go through the trouble of opening up system preferences>displays>color to make sure it reloads. This is not a ColorSync problem. It is not the 2.2 vs 1.8 gamma problem either. Ctrl+shift+eject does not fix it. Creating a new colour profile does not fix it either. The usual SMC, permissions, safe boot, etc tricks don't work either.
Apple engineers have sent me a copy of TimingSnoop but were baffled by the display having a "fake" EDID (when run without SwitchResX TS detects no EDID at all). Since I refused to roll back my entire system to 10.6.4 or uninstall SwitchResX (it does not interfere??) they closed the bug stating "insufficient information".
10.6.4 did not have this problem, and my hardware is perfectly fine.
Rolling back the graphics to 10.6.4 fixes this issue (but creates other issues)
I'm looking for information on this. Has anyone had the same happen? Is it confined to sans-EDID displays?
Have googled a lot but I'm running out of search terms... Anything could be of help?
Thanks in advance.

Again, this is not the gamma problem that's fixed by just opening the display preferences and resetting the colour profile.
This seems to be somehow related to the display's EDID and the video adapter (Nvidia) not resetting properly when first unplugged and then plugged back in. My support request with Apple is more than a year old in total now and replies have been trickling but all of them add little (if anything at all) to a fix.
My particular problem is finding these "a lot of" people who are experiencing this problem. Everyone I've seen so far talks about the gamma/colours problem, never about the brightness and reboot. So yours is the first instance of someone having exactly the same problem. Hopefully we can find more people? Do you know where I should be looking?
Another idea I've had is to possibly talk to the OSX86 community? If Apple are not interesting in issuing a fix for this, maybe someone else has done some work? After reviewing Apple's code (at least that part which is made public) I'm pretty convinced this is in Nvidia's territory, and that gives me very little hope..
I'm interested to know if this has been fixed on Lion at all..? Ideas?

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System Information: http://cl.ly/image/0H1p032w0M0w
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Device ID:          0x9440
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Message was edited by: moviebuffking

moviebuffking wrote:
I have calibrated my monitor as good as I can get without specific hardware. I have 18 years experience calibrating monitors (via optical media and my eyes), so I know that mine is very close.
It is virtually impossible to "accurately" set the Luminance, Gamma, and Color temperature "by eye." This is most likely the cause of your prints not matching the screen image you see in LR. That being the monitor's Luminance (i.e. Brightness) level is too set to high.
http://www.northlight-images.co.uk/article_pages/colour_management/prints_too_dark.html
To see if this could be your problem I downloaded the posted screen shot and cropped out the 'Copy' image, which has your adjustments applied to it. Here are my results:
Click on image to see full-size
I needed to apply a full F stop (+1.0 EV) of Exposure correction to achieve a good midtone brightness level for the print image. You'll notice I also added -50 Highlights and +50 Shadows along with +25 Vibrance. I bet the image with my adjustments added looks way too bright on your uncalibrated monitor.
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I would highly recommend investing in a hardware monitor calibrator such as the X-Rite i1 Display and ColorMunki, or Datacolor Spyder models. If you tell me what make and model monitor you are using I can recommend specific calibrators.
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moviebuffking wrote:
Am I correct in assuming that the soft proof (with a certain profile) is a "preview" of what that print will look like?
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Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
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