Scott,
I like the Spot-Hogg, HTM, and Toxonics. The Spot Hogg and HTM are a little pricey though.
I hear, the Copper John is a good one.
Just depends on what appeals to you.
http://www.spot-hogg.com
http://www.htmbowsights.com
http://www.toxonics.com
Looking for a sight for that new Mathews ?
Good luck in your search.
Sag.