Just a word about graphics: Most of the laptops I posted have very good graphics cards, especially the GamePC and eMachines. The Compaq's GeForce 4 is not bad, but it's not that good when compared to the ATI's in the other laptops. If it was me on a budget, I'd choose the eMachines in a second. If I had a bit more money, I'd probably fork over for the GamePC one.
If I had oodles of cash, I'd probably get
this Ferrari-red notebook from Acer.
With any of these machines (except maybe the HP) you would get excellent gaming performance (the Acer Ferrari has an excellent graphics card, with 128Mb) even in newer games like FarCry and Doom3, but probably not at the highest resolution and settings. Even so, they will probably be very playable. Not everybody needs 4x anti-aliasing to frag online.
All of those machines have 15.4" screens, which is more than adequate for a laptop. I seem to remember there was a Compaq/HP Athlon64 notebook with a wide 17" screen, but I don't have the link handy. Maybe a little time with Google will turn something up. OTOH, a 17" screen probably negates most of the benefits of a laptop, since it will weigh much more.
Just thinking out loud here.
Marcos