I travel all over the mid-Atlantic and like Johnny Cash, I've been everywhere man, stopped by almost every dealership at least once.
Never bought a bike from Pete's but been in a few times. Seemed decent, but I really value snekepte's opinion, so I'd pass.
Capital Area Triumph near Harrisburg seems to be great. I stop in occasionally and chat with the manager and mechanic. Both are great and the mechanic (short guy), seems to be pretty knowledgeable. The CAT RAT group is small but seems to be very loyal. A friend in PA who doesn't do his own work uses CAT and has had nothing but good experiences.
Fredericktowne has also treated me very well on parts purchases and the tech's are open to talking to you about repairs, etc.
You are from Butler? Too bad you are not there now. Based on dealer visits, Collins Cycles in Sutersville is one of the best I've seen. I love to stop in and chat with Steve, he is incredible.