My Powerbook has this video card:
Video and graphics support:
• NVIDIA GeForce4 420 Go graphics processor with AGP 4X support and 32MB of DDR SDRAM video memory for 2D/3D graphics acceleration
•Dual display and video mirroring:Simultaneously supports up to 1024 by 768 pixels on the built-in display and up to 1600 by 1200 pixels on an external display, both at millions of colors
I played Americas Army on it before, it was very smooth and playable. I havn't played it in a long time...because busy with school work. Right now, I formatted out the system.
If your really intersted in buying this computer, i'd be happy to get America's Army and check for you