I have a Dell Preceision T7400 that (because it's a work machine) can't completely replace; so I'd like to do what I can to make it a bit faster, better. I intend on rebuilding it (keeping Windows 7 Enterprise 64-bit) and replacing the aging SATA drive with Samsung 840 EVO-Series 250GB, and would like to replace the video card. I don't mind if it it's PCIe 3.0 since I'm hoping at some point to upgrade the whole system and could then take full advantage of the card (same with the SATA III on the SSD) but I'm not sure what exactly will work with this desktop (and if I'll need to replace the power supply) I'd like to get something in the 3GB range (looking to spend between $350 and $500). Like I said, don't mind if it's DDR5 or anything that can't currently be used as long as it's backward compatible as I may use these in the future when I upgrade the mobo and everything else. Any recommendation would be appreciated..I just don't want to get some hot EVGA card and get it and realize that it isn't going to work in this desktop. Thanks!!