P5nd2-sli compatible graphics cards

[andrews_08]

Hi I have a P5ND2-sli motherboard 400w PSU and a ASUS 6600gt graphics card. I want to upgarde the graphics card for around £80. What is the bext card to go for?

 

[Mousemonkey]

For around 90 quid you could drop a GTS250 in but your PSU might struggle.