Hello! I have.. ABIT NF7-S v.2.0; AMD AthlonXP 2500+(BARTON), running at 3200+; dual memory, sum of 1024MB (2.5-3-3-8); OS, WinXP sp1; Vid.card ATi Radeon 9800(PRO). I want.. a much better Vid.card that fits to this rig! What about these new X800 cards? Can I use them?