Choosing a Graphics card for Premiere Pro CS5.x
Using Adobe Premiere Pro has typically entailed using an overly expensive video card – or so Adobe would have users believe.
You don’t HAVE to use an expensive nVidia Quadro or upper end consumer nVidia based graphics card – if you know what you’re looking for.
Video card pairing to your editing system entails looking at your existing motherboard and CPU and determining which video card to use. This linked article goes into great detail that is eye opening about how to go about selecting a graphics card and provides real world standardized benchmarks to show some differences in video card performance on systems using Adobe Premiere Pro.
(External link to article here)