I put an NAP Freedom rest on one of my bows. Nice, and small, but the prongs were dragging on the Blazer vanes on my arrows. (ST Epics, 400). After a little while, the left prong broke off from the wear. NAP sent me a replacement piece, but I'm not comfortable with the interference.
A good friend really liked the QAD. Personally, I'm thinking a new biscuit may be the way to go.