If you want it truly portable and not a tank on your back try Lone Wolf
http://www.lonewolfstands.com/. My Lone Wolf Alpha is 15.5lbs and three inches deep on my back. It's rated at 300lbs and the base is the same size as most other climber stands. If you want to find it cheap try
http://www.autumnchaseonline.com/
Summit and API are great stands but I cant take having them on my back for any length and I tend to trek deep now and then. The Lone wolf has been great. Easy to set up and very light and quiet. Good Luck
Cargo