http://www.theengineer.co.uk/Articles/302851/Faster+broadband.htm
and
http://jpap.andriopo.ulos.org/

Will be interesting to see exactly how this differs from the current spectrum management exployed in ASDL2+ systems. Got to love how these things are over hyped however, $50 says marginal improvement incoperated into new ADSL2+ annex.