If you consider yourself at all enthusiastic about driving you should try it. It's not that hard to get used to, but I have been caught a couple of times on the wrong side of the road- especially when exiting a driveway onto a road with no traffic.
I imagine it would be much more dangerous to drive on the opposite side of the road than you're used to if you were on a motorcycle- there's no 'built in' cues to tell you which side you should be on (the vehicle is symmetric).

I say go for it- I always have fun driving in the UK. It will definitely give you new insights in driving etiquette.