Try this meathodology.
1) Find something a name you like
2) If taken reference the sites below to develop a purchase or renaming strategy.
NamePros.Com - Buy, Sell, & Discuss Domain Names - leading domain forum, might find something there
Deleted Domain Names - Search recently dropped names, might find something with rank
Domain name auctions to purchase quality expired and deleting names - I think this and several other sites buys dropped names in bulk forcing you to go through options.