If you don't like sacrificing pawns, then 6.Bg5 is a bad choice.
Add the fact that playing book variations which end up well after move 20 (this is the norm in the 6.Bg5 Najdorf) can hardly be described as "fun", unless you are a very kinky guy.
Regarding the Poisoned Pawn, the most testing is the mainline with 9.Rb1 (9.Nb3 is effectively a forced draw, while protecting the pawn with Nb3 is absolutely harmless). You can find analyses, mostly created by engines, which go over move 50, and 99% of them end up with a draw. Replaying these variations is equally interesting to watching the lawns grow.
Personally, I don't bother playing either side of the Poisoned Pawn OTB- apparently I'm not kinky enough. I could probably play it in correspondence play, but the Ruy Marshal is equally drawn, and errr, more fun to play.
Playing against the Najdorf as white I go 6.Bg5 because it's the most...fun. I'm not really sure how to deal with the poisoned pawn variation though.
I don't like sacrificing pawns, and I'm not sure where white's compensation is because black appears to be rock solid.
I would like some suggestion and some tip on common plans of attack. I'll be playing this at like 1600-1800 level so I don't really need to know a ton of theory, just the common ideas.