Bingo! Problem solved. The read only filesystem issue tipped me off to what was actually wrong. Apparently the file system on mmc2 got hosed, so I looked up a cheat trick to get at the drive, then ran a chkdsk on it and it fixed the drive, and interestingly enough, Maemo Mapper is now working.

Now if they can just fix the stupid repositories issue, I'll be darned happy.

Oh yeah, and I didn't see any threads that mentioned about the repository issues. If someone could PM me some links so I can watch the progress, that'd be greatly appreciated. Thanks.