(750i, 780i, 790i, 980a, etc.)
I do not recommend any nVidia chipset boards at this time. Not for Intel or AMD builds. Those wishing to SLI should use X58.
Intel x58 The x58 supports the new i7 quad core CPUs from Intel. x58 boards can support BOTH SLI and crossfire. All x58 boards should support crossfire, and most will likely support SLI. You cannot use an x58 board with older CPUs.