What are the advantages of multi-monitor environments?
Eh?
Well.. On the productivity side:
http://www.youtube.com/watch?v=SFHWTXXfxt0&feature=related
..and on the fun side:
http://www.youtube.com/watch?v=iJqSvBz6E8U
Having 2+ monitors is great, you can have your game in one and other apps in another (for example).
I believe what this means is you will be able to have several SLI cards all powering many monitors rather than just 1 or 2 screens plugged into the same card.