I contacted my ISP and asked if they were blocking for filtering p2p applications etc. I know the people that run the service personally and they said there shouldn't be anything on their end to keep me from connecting. They are looking into it. One of the technicians said he was also having trouble with limewire, but just hadn't really had time to explore it.

I'll try the other ports to see what happens, and will report back later.

Thanks alot for your time and assistance, it's much appreciated!