^^ should be good. I guess you didn't research the Nvida forms about the issue people are having with the GXT400 series.
I got the msi GTX460 and after 2 days is topped working. NO singal so i search it up online. Turns out there are some issue on the card that causes this issue. It really can't be fix. Luickly for me I got a new card through NCIX and it worked fine so far. Here is the linke
http://forums.nvidia.com/index.php?showforum=199
if you could I would suggest try to see if you switch to the GTX 500 series it seems to have a bitter built quality or get an ATI 6950