Is the Zalman VF900 (or whatever it was called) a single-slot solution, or is it a dual-slot solution? I got myself a Foxconn 6150 mATX board with 3 PCI slots, and I want to know if I can use all three PCI slots in conjunction with a high-end GPU like an X1900 or a 7900 (got a 7800 right now).