Channel 4 and TalkTalk join Project Canvas

As predicted in the February issue of the famously prescient gadget bible 'Stuff', IPTV is going to be a big deal in  2010. And to prove our poin

They're the fifth and sixth companies to sign up, joining the Beeb, ITV, Channel Five and BT, which means all of the UK's terrestrial channels and their internet catch-up services are on board.

This gives the project, which still needs approval from the BBC Trust, a real momentum boost, and paves the way for the arrival of Project Canvas set-top boxes in the new year.

These are expected to cost between £100 and £200, and will be hi-def, PVR-equipped versions of web players like iPlayer, ITV Player, Demand 5 and, now, 4oD.

But it won't all be plain sailing for the project – Sky has criticised it for being an anti-competitive merger, and Sony has expressed concerns that its UK-centric tech makes manufacture a headache. We'll bring you more news as we get it.