Two banks have already failed as of 6:25 EST: one in Michigan and one in Pennsylvania. The closure in PA is an interesting one. I'll have more on these later tonight.
In the mean time, check out the FDIC press release page @ www.fdic.gov/news/news/press/2010/ Update 12/11/2010
: Turned out that these two banks were the only bank failures on Friday. I have more details in this blog post