Speaking of elevated rests from 3Rivers, I picked up a couple T-300 Hunters from them and put one on my HunterII. I thought I was getting great flight with a Hoyt Hunter rest, but the T-300 puts it to shame. I don't think I could get better arrow flight if I installed an insert and added a cushion plunger. Getting equally good flight with both feathers and vanes, too.
Not exactly cheap at $7.99, but cheaper than the sealskin I have on my Hunter I and way cheaper than anything I used to use on my compounds...