It sucks when your computer breaks, but the only people who meltdown when their computer dies are those who don’t backup.
Take some time to backup your files this weekend, it will give you piece of mind. Plus if something goes wrong, you won’t completely freakout.
While you’re at it, you might want to follow Gina Tripani’s instructions for properly cleaning your computer.
I just finished doing all of my maintenance, and I’m quite pleased with myself.
Practice safe computing.