Dhampy, just buy another one like yours and use both at the same time.
Good luck finding one for a budget price.
Link
[Edited by Dhampy, 4/6/2010 9:31:40 AM]
Well depends what budget means for you but you can find some pretty cheap on ebay.
The cheapest Buy It Now is $140, which isn't the kind of budget I was looking for.
I believe to use SLI both GPUs must be identical. However, they can be different manufacturers.
[Edited by halfgallon, 4/6/2010 7:55:44 AM]
Which is a problem, since I have the fastest 8800 they made.