Nvidia’s new nForce 780i SLI chipset is heavily – that’s HEAVILY – based on the nForce 680i SLI, adding just two key new features. The first is support for 45nm Intel 'Penryn' processors and the second is the addition of PCI Express 2.0 for top graphics performance. It’s safe to say that the 780i SLI is Nvidia’s answer to Intel’ …
3 card non-SLI solutions
You recommend the 780i only if I want 3-way SLI but what about those of us looking for dual monitor support? Having 3 8800 GTs with 2 in SLI and the other not would be ideal. Are there non 780i boards available that offer this ability?
a 680i SLI board with triple graphics slots would do the job - you just won't get the same huge number of PCIe lanes and neither will you get PCIe Gen 2.0