|The use would dictate the purchase. You have to tell us what you intend to do with this system.|
If you only use it for web then the cheapest pci card would do. If you run Photoshop or other video you need to step up to the $50-$100 or so.
Your system would not be worth putting more than that into it.
Why did it take me over a year to phone in a problem to ATT?