This is the TV Fool Report for your house:
At 20 feet:
http://www.tvfool.com/?option=com_wr...d24305447f0a30
At 30 feet:
http://www.tvfool.com/?option=com_wr...d243f2a45f9c89
I'd recommend editing your post to remove the exact address (or maybe one of the mod's will do it).