Ripple is a nice concept at least for decentralized trading, but the source code has not been released yet, has it? Also, the method for decentralization has not been exactly proven yet, IIRC.
as far as i know, no. no source code release, and there is no decentralization. ripple is 100% centralized and basically by using it you trust "Opencoin, inc" not to completely and absolutely fuck you over.