Length of warranty.

Before you buy any IT equipment, you should look into the length of warranty, and service levels during the warranty and after it.

To determine the length of warranty coverage that applies to your vehicle, look for the emissions warranty information in your owner's manual or warranty booklet.

Price is certainly still important, but when every PC is a bargain, buyers look at other factors - service and length of warranty, for example - in making their decisions.

To overcome these limitations, Perfect.com has created a kind of automated request for purchase, in which buyers can spell out quickly what they want - from speed of delivery and length of warranty to quality and reputation.