Actually, that card is at least two generations old. It's not even in the list of products anymore at nvidia.com (but you can dig it up in a search). It was considered somewhat of an entry-level card when it came out several years ago. Fast-forward to today and you really shouldn't expect too much out of it with current software. It's not listed as a supported card for Maya 2011 (because of its age, I'm sure). Go here for a list of supported cards from autodesk: https://download.autodesk.com/us/qual...aphics_win.pdf. Even though it's not mentioned, you may be able to leverage some of the information in the document, particularly the caveat that there is a performance bug with hyperthreading and the quadro fx cards. Disabling hyperthreading is a work-around until nvidia releases a driver with a fix, but it's not likely that this will apply to you since your hardware is kind of old. But it won't hurt to try, I suppose. Your processors are two generations old (soon to be three with the advent of Intel's Sandy Bridge processors) and aren't likely to apply to this nuance as autodesk did their cert testing on Nehalem-based architecture which is relatively very different from yours (Netburst). I'm not trying to bust on your hardware, I'm just saying that with the specs you mentioned you can definitely expect to see some performance issues, most likely caused by more factors than just your video card. Just trying to save you from spending too much time trying to fix something that isn't necessarily broken; just out-dated.

Sorry, wish I had more constructive advice... Good luck!