Should be a nice new addition.
Its also coming to 2011 models of BRAVIA's and some Blu ray players, according to the report.
The BBC blog post (above) did mention that it would be coming to other devices before the Olympics so it sounds promising.
Engadget artical was better than the site you link to...
As they explain that its the BBC RED button Tivo app from the BBC that VM allready announced that will be spreading to Sony devices.