I was on a gaming mouse long before I had mech boards.
I decided not to get it because I didn't want to wait on the rebate. Esp since I've added the sidewinder x 8 (always wanted to try one), the gigabyte 'ghost', and the cyborg R.A.T. 7 to what I'd like to have. I'm not used to having this many choices of things I think I'd like because when I got the G9 that I have it was pretty much the only choice at the time (I've never liked razer stuff). I think I'll be limiting myself to two tops.
@jnewkirk
You need to decide if you like claw-grip or palm-grip best (google if you don't know what that means), then buy something. Or buy something that's supposed to be good for both, like the roccat kone or cyborg R.A.T. 7. I'd also go to a local store to check the feel of stuff to see what you generally like as well, because while they may not have the exact ones you're looking at online; they should have something good enough for you to tell general trends.