I think that if I saw this url, and remembered it to use later, I might not remember the hyphens
I personally think simplest is always best with urls.
I quite recently had an issue with one I had remembered from the side of a window cleaning van.. it was something like 'wetwindowzareus.co.uk'
But of course by the time i got home and wanted to use it, i couldn't remember whether it was am 'r' or 'are' and was the windows bit really spelt with a z as i thought, and was there something else on the end?
I got my windows cleaned by another company, one with a simple domain name, hehe