Go out now and build a natural one. It's a little late for this year but rotting bale of grass/straw are a good way to go. Other than that I'd go for room, como and sound. Got a have the room to swivel around silently. I think what you'l be sitting on is as important as the blind.

It's one thing to gun hunt out of one and another to bow hunt, got to be deadly quiet to bow hunt. Some are just to small and noisy.