Really?
In configuring my Dell Inspiron 4100 last monthm the Geforce was $100 more than the Radeon.
Instead, I went with the ATI 16MB DDR Mobility Radeon. It is fine for my 14.1" TFT (1024x768 native resolution). With a 866Mhz P-III-M and 320 MB PC-133 it has no problem with Max Payne with 32bit color and all details set to mid - ZERO slowdowns.
That said - I would have got the GeForce 2 GO in a heartbeat if it was the same price. It is without ANY doubt the better card for gaming. Just make sure you don't order the super high resolution screen or even it will have trouble playing the latest games at a satifactory frame rate.