If you're an aspiring boxer hell-bent on blood, sweat and tears, get your ass down to old-school Doug's Gym on Commerce Street. For the rest of us--ahhhh--to the paradise with the palm trees. The new Life Time Fitness on Highway 121 in Allen is like a five-star resort, complete with more than enough amenities to serve us peculiar, pampered types who want the oxymoronic experience of working out in total comfort. Ya know: no pain, no pain. There are indoor and outdoor pools. A caf? with a full-service bar. A spa resplendent in cosmetic services. Courts for basketball, racquetball and squash. Locker rooms with free towels and big-screen TVs. A computer center. Financial services. Even a rock-climbing wall and water slides for the kids. Oh yeah, and they got some weights up in there too. All that for like $100 a month. So we ask you, why not just live here?