Ten months since I posted this thread...
http://forums.overclockers.co.uk/showthread.php?t=17578054&page=2&pp=80
Bought the 7900GT, installed with no probs, runs like a dream compared to the old card (obviously!).
No BSOD, no crashing, no overheating. BF2 runs great and keeps my man happy so it's a winner all round.
Thanks to all you guys who helped me out ( and the funny ones too!)
http://forums.overclockers.co.uk/showthread.php?t=17578054&page=2&pp=80
Bought the 7900GT, installed with no probs, runs like a dream compared to the old card (obviously!).
No BSOD, no crashing, no overheating. BF2 runs great and keeps my man happy so it's a winner all round.

Thanks to all you guys who helped me out ( and the funny ones too!)