Maya iff plugin doesn't support Alpha when saving

Now that's annoying... the iff plugin doesn't support Alpha Channel when saving file! And when you open an IFF file with an alpha, generated from Maya for example, the alpha is removed and the transparent parts of the original alpha become punches out the image (so you see the grey checker in the BG).
I hope someone from the PS team reads this and fixes it. Maya converts all textures to IFF internally before rendering and that slows you down if you have a lot of textures. I was hoping I could do this in PS myself but it looks like I will have to rely on Shake to do it.
Anybody knows of a drag and drop software that could easily convert TIFF, JPG, TGA or other formats to IFF? I need and easy solution because I don't want to have to convert all my textures one by one.
Robert
PS: I posted this as a bug to Adobe...

I can confirm that if one uses the Eraser tool in Photoshop CS5 to create 0% opacity (100% transparency), the pixel values will be set to pure white.  I have a content-aware plug-in that has to specifically avoid examining pixels if the transparency mask exists and the opacity is equal to 0.
We can only guess that this was done to reduce saved file sizes or something.  ???  I can imagine the thinking when this was designed/implemented:  "Who'd want to maintain data that was utterly transparent?"
Clearly someone does.
What this pixel destruction "quirk" DOES DO, specficially, is blow away the proposal that viewing opacity in Photoshop is completely interchangeable with the maintenance of a separate alpha channel.
I second PECourtejoie's request to make the 100% deletion non-destructive.  After all, Photoshop now maintains information outside the canvas, why not maintain it in transparent image areas as well?  And if it's compatibility you're worried about, make an Advanced option to toggle the functionality.
Thanks.
-Noel

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