I can now do multiple sets of complete, full-hang pull-ups, 4 reps to a set--unassisted. It wasn't long ago that a single pull-up was a challenge. I'm already anticipating buying a dip belt so I can add weight to my pull-ups, once I'm doing 10 or more reps.
I'm really getting to like Groupon. So far I've used it for half-price movie tickets and half-price books. Here's a link (yes, it is a referral link that benefits me if you join, just to be clear): Groupon Enjoy!