infoAnarchy, the p2p & internet privacy/freedoms site, have published a review of the filesharing protocol & plugin 'inspired by' FastTrack,
giFT/OpenFT.
altho still pre-release (and mainly being used by Linux hackers) probably the wave of the future considering Sharman's shennanigans (Brilliant, AltNet, TopText, making deals with the RIAA etc.).
Taking presents from strangers: Review of giFT (CVS version)