The ongoing obsession with P2P continues as Cisco back GridNetworks. For Cisco this makes sense - P2P is demanding on processing power and therefore drives their core business .
In the US, where more and more synchronous services are becoming available, the outlook for P2P has improved, but the experience of large scale P2P deployment remains mixed.
In the UK we are on the verge of a war between last miles ISPs and P2P networks where I can only see one winner.
A final issue with P2P is that it is a patent minefield, and of anyone does succeed in creating a successful product will surely find themselves mired in the kind of actions that have hampered Tivo and Blueberry