Summary: I got this card recently to provide better performance on my core duo motherboard with an older version of x-plane (ver. 8). It puts out around 60 fps, which is the minimum that I was looking for. There was no noticeable difference between the 32 and 64 bit drivers, as I did test both 32 and 64 bit Windows 8 installs on the motherboard with this video card.
Summary: This was the one of the smartest purchases I evewr made for computer stuff. I have since outgrown it. For the price this has been a great performer running dual screens and using 3D software programs.