I'm in SF too and just bought my 2011 Versys in March. I was considering the Wee too, but much of my riding is in the city and commutes to the peninsula and east bay. The Versys is fantastic! I love it in the city, has plenty of power, nice and nimble, great on the twisties, and does just fine for my freeway commutes. It's perfect for my needs.
I am just now realizing that the seat gets a bit uncomfortable. I think I'm going the Seat Concepts route. It's seems to be an affordable and rather comfortable option.