Which PCIe / PCI Express / PCI X card (s) have driver support for 2560 x 1600 resolution on a Leopard or Snow Leopard?

[crashnburn_in]

Which PCIe / PCI Express / PCI X card (s) have driver support for 2560 x 1600 resolution on a Leopard or Snow Leopard?

 

It could be any brand. NVidia, ATI or other.

 

Preferably it can fit an Advanced Dock for T61.

As I understand it, I will need a full-height, half-length PCIe video card