I'd go for the hair dye and the Morris. I joined a gym in March and I'm finding it MIND NUMBINGLY BORING!!! It's a good thing that cross-trainers aren't fitted with machine guns, or I'd be tempted to take my boredom out on some of the more Dedicated Followers of Fitness. grrr.
(If you're stuck on the idea DON'T pay 'up front'. Pay per session until you know if it's for you or not.)
On the more exotic side, there's always Bog Snorkling. (that's 'bog' as in 'marshy place' ... says she trying to ward off inevitable comments on the platform.)