Hey Daisy-- I checked out the Urban Rebounder online-- it looks pretty cool, and kinda fun, too.If the gym thing doesn't work for me, I'll get one! So far though,I'm liking it a lot at the Y. I've been doing a good amount of, at this point, very moderate cardio on the treadmill, along with the Yoga-lates classes.What I much prefer about this class ,as opposed to aerobics, spinning or step, etc., is that it's calming and more passive in it's approach..no peppy commands being yelled out--In an atmosphere of low lighting and soothing music, each movement demonstrated by the instructor seems to flow one into the next, yet I'm using muscles I didn't know I had! And it's a great pre-cardio stretch!I just paid for 6 months up front-- so let's hope I stick with it!