I signed up with Goldstar when I heard they were offering FREE tickets to off-Bway's "Don't Quit Your Night Job" over the summer. When I arrived to the theatre, my tickets were there.
A free night of "DQYNJ"...no complaints here!
"The Spectacle has, indeed, an emotional attraction of its own, but, of all the parts, it is the least artistic, and connected least with the art of poetry. For the power of Tragedy, we may be sure, is felt even apart from representation and actors. Besides, the production of spectacular effects depends more on the art of the stage machinist than on that of the poet."
--Aristotle
I'll vouch for them in the NYC area. They have some service fees, but no membership fees, and paying only $3-$8 for off-Broadway shows in the past (with decent seats!) has been awesome. I've used them for non-theater events too and never had a problem.
"I thought that that was just going to be a like one shot deal for me, you know, but they kept talking about it like, 'when we do the production, when we do the production', and I was like, 'yes, yes, when you do the production, cool, I will come and see it'". - John Gallagher Jr. on SA