I've only tried PA and it was, well, and old codger burley. Not my cup of tea, because it tastes too much like cigarettes to my mind. I've heard that Half and Half isn't as bad, but I'm not buying a tub to find out it's not to my liking. Let us know what you decide on and how it is!
-Jason
P.S.- I moved this to the Pipe Tobacco Discussion sub-forum