Take a look at the E* list of top 48 markets to get local HD ( the rest will have to survive on OTA).
http://www.satelliteguys.us/showthread.php?t=51279
They leave out -- (in the top 48 DMAs)
(#12) Tampa, FL
(#28) Hartford, CT
(#32) Columbus, OH
(#34) Cincinnati, OH
(#38) West Palm Beach...