My only piece of advice is to move quickly. There are over 2 homes in some state of foreclosure for every 1 currently for sale in the Excelsior neighborhood (according to Trulia). That's a lot of "pent up supply" which will be flooding the market and driving prices down.
PS - As a taxpayer, thank you for for your large downpayment (the FDIC can't take many more banks going into receivership.)... more