I have the QAD HD and I love it. It was easy to set up, paper and broadhead tuning took only minutes. I had clearance problems with blazers hitting the crossbar if I shot cockvane up but if you rotate the nock it'll clear. Any other nock with a standard hight will clear no problem. I got mine from MeanV, they're not on his website but if you shoot him an e-mail he'll give you a price that can't be beat by anyone.

http://www.meanvarchery.com/googlef2423a5cfff7c50c.html