I called CompUSA to ask about my PC. I brought it in for repairs two weeks ago (
related entry here) and they were supposed to call this week, but never did. In any event, I was happy to hear the report. It seems that even though Western Digital's own program found no problems, the techs agreed with
qedrakmar that it was a faulty hard drive (
related entry here).
This should take care of it. If not, well, I have a box with pretty lights! =)