I read some great threads on here about fitting it to FL1s doesn't sound too bad. But it can't have gotten any harder to do. If you are circuit savvy shouldn't be a problem!
I priced it up for my FL1 at 400 for parts (all original switches etc), but was offered an after market fully fitted for £330 at a local fitters.
Honestly, I could really do with it on long drives (for me that means 500+ miles) but I do agree that often british roads are often too busy for CC