This is going to be an interesting district in 2008 so I might as well start this up.
It seems like this Ron Francis guy is very serious about running -
http://www.pittsburghlive.com/x/pittsburghtrib/news/mostread/s_493610.html. Another name mentioned is State Representative Mike Turzai. He lost to Klink in 1998. Swann won't put the rumors to rest about his potential candidacy but I am sure he won't run.
None of these three really matter though since Hart is running. Francis is just wasting his time. If, for whatever reason, Hart changes her mind, look for Turzai to inch closer to a run and make it an interesting race.