Just back from almost a month on the west coast. I'm even more convinced now that the Enterprise Social Media market is going to be a battle between the west coast and NYC. There are just so many enterprise companies pivoting to include social now that what was considered "fringe" even nine months ago is mainstream. The west coast guys got this first and moved on it. I've seen the NYC community embrace enterprise social as well, both at the platform(Foursquare) and application layer (BuddyMedia). I'd add Austin as a distant third, with the cluster of companies formed around Bazaarvoice, Social Dynamx and Austin Ventures. Everyone else seems to be fighting for fourth or worse.