Graphics Card recommendation for Sims 3

[Lee]

With a new job, comes the change to get a new computer! We're going to get a new machine sometime soon. We might even get a new desktop so that we can grow it as needed. We'll need to be able to play Sims 3 with these hardware requirements:

http://kotaku.com/5112216/here-are-your-sims-3-system-requirements

Any recommendations about which cards are best these days and which are affordable?

[Peter]

define "affordable"?

[Lee]

Maybe $100 - $150...? Less is good.
... I think my years of spending $300 for anything computer-related are long gone.

[Peter]

GeForce 240 GT perhaps