my old one burned out My video card just burn ... So i'm planning to buy HP 6830s Pentium Dual Core(2.2GHz,800MHz,) 3GB (2+1GB (DDR2-800 MHz) 320GB SATA (5400rpm) 17" 1440 x 900 BrightView 512MB ATI Mobility Radeon⢠HD 3470 DVD Super Multi drive DL Wireless 802.11a/b/g/N, Bluetooth battery : 3 h It is second hand and it's about 400$... I don't have any money than those 400$ so is this a good choice or not... I never used ATI ... Advices ?