Windows 7 Computer Shopping
If at all Possible buy at Costco.
90 day return policy with no restocking fees
double the manufacturers warranty at no extra charge
Costco concierge service at no extra charge
If you buy from Costco with American express you get a third year of coverage at no extra charge
Multicore Processors (Dual core / Quad core) make a big difference in speed with Windows 7
HDMI outputs let you easily connect to monitors and flat panel televisions
For most people I recommend an HP Laptop
Windows 7 Offers Multi-Touch which makes a special computer screen work like an I phone screen.