Thanks Stereocraig. Forgot to include the report; my mistake:
http://www.tvfool.com/?option=com_wr...5b94cf7107748d
I probably should have kept this all in one thread - but here's the link to my original issue:
http://forum.tvfool.com/showthread.php?t=14371
And a quick update since I first posted that - it does appear that my "good" tv suffers from a bit of signal degradation, just not as much as the TV that was originally giving me issues.