What is a UPS?
A UPS is an uninterruptable power supply, which is basically used to power your computer for a short time any time the power to the computer is interrupted, like in a storm or during a brownout. It can save your hard drive from becoming damaged and possibly losing data.
I consider UPSes just as important as the other components in my computer system, and never run my computers at home without them.
The reason I'm mentioning this now is because Dell has one on sale for $60 (regular $90) that I use at home. The way I look at it, $60 is cheap insurance. This is a one day sale only, and is available here: