According to RadTech, the stm Rebound has been discontinued. The RadTech rep that I've had contact with said that he would confirm this with stm for me. That pretty much leaves the Axio Hardsleeve, Booq Viper M2, and Shinza ZeroShock as the only sleeves that offer good impact protection and can fold open completely. The Axio Hardsleeve is expensive and seems to be a bit overkill. I've read several complaints about the Booq Viper zipper scratching computers. The ZeroShock apparently isn't as good as the Rebound and doesn't fit the MacBook Pro snugly. Anyone have any recommendations for similar sleeves that would fit a 15" MacBook Pro and offer more protection than neoprene?