I enjoy them a lot.. It did make me nervous and a bit self conscious when I first started punting, seeing my fat ass doing stuff to some hot girl, but I've got used to them now and am sorta developing a bit of a unexpected fetish for it.
It's not really, for me, about checking myself out though, it's about being able to see various parts of the WG when she's doing stuff to me. Seeing her pussy whilst she's playing with your cock, or making eye contact during RCG or doggy, that kinda thing. Can be a big turn on for me, and add an exciting extra dimension to things. Not such a good thing when the punt isn't going well though..