Some new icons
The other aspect of the project I have been working on is integrating the Symbolic Icon set into High Contrast. Jimmac mentioned this possibility when I began my project, and Joseph Scheuhammer has asked an occupational therapist who works with him to look at the icons and give feedback about their accessibility for low vision users.
I ruined my Ubuntu operating system last Friday while trying install the GNOME 3 ppa on my ancient Dell. I had a hell of a weekend trying to recover my data, and tried very hard not to make puns about crash courses in file systems. I ended up using a Fedora 15 live iso (and someone else's computer) to take the following screenshots, which I edited in Inkscape.
So the current idea, if approved by the occupational therapist, is to mix Symbolic and High Contrast (as seen above). This would automatically provide (much) better coverage for users, and allow them to set the colors of the newly integrated icons according to their needs. Needless to say, the project is inching forward, and I hope to have more and better progress to report in the near future.
Thank you to everyone for your support and feedback.