I was introduced to a rest today while putting a few arrows through bows in the Bowtech truck called the Hostage. Of course you can't tell much about a rest shooting with as little shooting as that, but I'm likely to get one to try out.

http://www.bowtechproshop.com/Qstore/Qstore.cgi?CMD=011&PROD=1174519701&PNAME=T he+Hostage