CompUSA's Interesting Vista Launch Promotion

on this website) and you can trade it in towards the purchase of a brand-new computer with Windows Vista. "The notebook's value is based on the condition, specifications, and age and will be assessed by a web-based tool provided by a certified technology recycling company to determine its fair market value." The program will not be available in California. So, lets see: I have an 18-month old Dell laptop, with a 15.4-inch widescreen, 1.6 GHz Pentium M, 1.5 gigs of RAM, a DVD burner, two batteries, a brand-new technician replaced motherboard, two years left on the warranty, without a single scratch or ding, and a Windows Experience Index rating of 3.4. I paid $1000 for it, after a $600 off coupon, and an additional $300 for the extended warranty six months ago. I'm going to take my computer to CompUSA next week to find out what they think it's worth. If I can get $700 of trade-in value, I might just go for it. What do you think it's worth? (via Neowin) Nathan Weinberg writes the popular InsideGoogle blog.