My favorite part of going to the gym is the steam room, and I think I'd get more from a hot yoga class closer to home. As it is now, I have to carry my stuff with me, travel like a half hour, deal with the lockers, etc. etc. I find the cardio machines boring. I've done the trainer route - they just knocked the stuffing out of me and cost me a lot of $$$.
Has anyone out there quit the gym and succeeded in getting buff?