first off don't just look at a bad review and say oh this mobo is bad. Read them and see why they gave it a bad review. Also See if the problem just happened for that one person or for alot of people. That mobo is one of the best for o/cing, unbless you want to get a DFI Lanparty for $120, but those are top of the line. However, you can get a refurbished DFI Lanparty mobo for only $75 around. And last SLi means that ti has two pci-E ports so you can have to videocards and then run them together in dual interface. Kind of liek dual channel ram for videocards. Search google for "SLi" if you want a better explination. Or go to nvidia.com
and go to the SLI section.