Here is one that is dual analog, for $38.
Max. display cap. 2048x1536
http://www.imagestore.us/product.asp?pf_id=HY%2DPCI7000
By the looks of the back of that model computer, only one slot seems to be open. So this one works perfect and its cheap. Unless you must have DVI.
I think I might buy this card myself to replace the ones I have now.