Graphics Mode 512x384 - worthwhile ?

I can set my modes from 320, 200 up to 1440, 900 'is that good?' it looks funny when i set it in 320, 200 especially if you load a bsp...

Toshiba P25-S507 2.8Ghz 512Mb Ram Nvedia GeForce FxGo5200 Windows XP DX9 (It's just a laptop!)

{by the way, when you code games using the number pad for commands, laptop users are left with the cold!}