Looking for some free presets for Ableton Live 6? Checkout the Covert Operators download page at http://www.thecovertoperators.org/archives/category/downloads/.
The newest download they offer is Espionage - a collection of sounds from from their past and future commercial projects. Presets include select sounds from SoundWrecks, Surgical Tools Vol1, and previews from the upcoming The Muses: Covert Midi Effects, The Muses: Covert Audio Effects, and Constructs.
Note: Live 6.0.3 or higher is required to use this pack. The pack is not compatible with older versions of Live.