I have a Hunter Cam Cradle and it works well. It doesn't have all the leveling features that the Super Arm does but is a well built support.
"Knowing when to shoot and when to wait is one sign of maturity in a bowhunter. Be patient and pick your aim point carefully." ~ Randy Ulmer
"I suppose it's the way of hunters. We are very odd fellows." ~ Peter Hathaway Capstick