I have a great time at concerts I tape! I feel strange if I'm at a show and I'm not taping. When I first started taping I had a girl who loved to go to show's as much as me, but she had a lot less fun when I was recording because my attention was no longer on her. I actually prefer to go to shows alone when I am taping so that I can focus just on that. I'll move from my rig to go into the crowd from time to time each show, and I drink a few beers but I don't get trashed... I don't typically get trashed anyways. The challange of getting the great pull is a very exciting thing for me. Sometimes you nail it, and sometimes you don't!
Sometimes when I bring my full multitrack rig out (this is my personal "prefered" way to tape) the load-in > setup > tear-down can get old, but I have gotten to know so many bands, venues and engineers by being there early/late that I often get in for free, or atleast early when I bring that rig out, so that is a nice perk. My ambient rig is now a very small open rig and bringing that out is just pure pleasure. Some shows I am at, I know the band is running on all 8 and if I am the only taper I get huge satisfaction knowing I preserved a very special moment in time that would otherwise never be heard by outside ears. I guess for me the fun is there but it is the ending satisfaction that makes me want to do it again. I look at some of my recordings on the archive and see that hundereds or thousands of people have downloaded my source and I feel pretty proud of myself! One band actually thanked me in the liner notes of their first album because they attribute a lot of their early success to my first recording of them and then the efforts of of other tapers via the buzz I started about them through the TS taping community.
Then add to that all the friends I have made at shows with just hardcore fans of the artist, bands archivists, other tapers, or even just the people who come up and want to know what I am doing and how to get started. Taping is cool as shit!
Matt
*edit* When I first started out I was very anal about staying with my rig, staring at my meters, checking to make sure batts were OK, and gurding my shit. I have since relaxed and I think that would be true for most people who have been taping for awhile. First few shows are a little nervewracking but fun nonetheless.