i helping laptop? Don't tell me to buy a desktop.

i need help picking a laptop for games.  I want to play obilivion, world of warcraft, and halo 2.  Can u tell me which would be a better choose out of these two?  How would they play the games?

I am not getting a desktop. i need laptop to play great games and for college.

A Inspiron E1705

Intel® CoreTM 2 Duo T7200 (2.00GHz, 4MB L2 Cache, 667 MHz FSB)

Genuine Windows VistaTM Home Premium with 1GB of memory

17 inch Wide Screen XGA+ TFT Display with TrueLifeTM(glossy)

2GB Shared Dual Channel DDR2 SDRAM at 533MHz

160GB 5400 RPM SATA Hard Drive

8x CD/DVD burner (DVD+/-RW) with double-layer DVD+R write capability

256MB NVIDIA® GeForceTM Go 7900 GS

or a HP Pavilion dv9000t

Genuine Windows Vista Home Premium (32-bit)

Intel(R) Core(TM) 2 Duo T7200 (2.0GHz/4MB L2Cache)

17.0" WSXGA+ BrightView Widescreen (1680x1050)

512MB NVIDIA(R) GeForce(R) Go 7600

HP Imprint Finish + Microphone

2GB DDR2 System Memory (2 Dimm)

120GB 5400RPM

Super Multi 8X DVD+/-R/RW w/Double Layer Support

They are coming out with an alienware laptop that has dual 7900's. That should max out everything!supergamer1289