You may already know this, but all insured banks must file a report every quarter and the FDIC has all the data. Not the best user interface, but there's tons of great stuff here:
http://www.fdic.gov/bank/index.html
FYI.
Personally, I don't think WM and WB are going away, but I hate to give stock advice unless I am very knowledgeable about the stock. I am not so informed about these two.