Terry
I bought a EVGA GT 730 with 1GB ram, OpenGL 4.4. I am sure there are much faster ones, but this is a medium price and speed one. Listed @ $89, discounted to $79 and they gave me a mail in rebate for $10. So I paid $69. The main considerations for me were: NVIDIA chip set, PCI Express 16 2.0 support, & something that makes Art's GSim scream!
Karl