Curious to see if any of these suggestions worked  

http://www.youtube.com/watch?v=UK_7sNUMaT8

I hope to help ...

The bow does have two nock points. Don't believe I'm torqueing the bow. Nocks seem fine also. Raised the brace height to 8". That seems to have worked the best. Sure seems high for that bow. Though it has helped. Noise is still there slightly. Gonna keep messing w/ brace height. Thanks for all your inputs.
Mark

up date ! Shot this bow quit a bit indoors today. Seems best at 8 3/8" brace and 5/8" nock point. Still loader than I like. But most of the knock is gone. shooting 6" 3 arrow groups @ 18/20yrds. A friend of mine has same bow just older. his brace is 7 1/4". Much more quiet than my bow. His rest and side plate has a thin strip of leather in the middle and under them to raise the arrow. He received the bow this way. What is the purpose of this, and could this be the reason his is so much more quiet? Thanks for everything. Its coming along!
Mark

I have a hill takedown. With. The same problem.  Raised the rest  with double  Velcro  on the shelve   And single. On the riser. It got better.  I think it's a tiller problem?