SpeedFan reports the following SMART information for my dying hard drive:
The "fitness" bar was at 30-50% a couple days ago.
System performance has gotten much better since moving the pagefile to C:, and I've backed up almost everything useful on it to DVD just in case. Having a DVD burner is wonderful. I backed up 14 GB in minutes. I still don't back stuff up as much as I should, but now it's much more pleasant when I do.