I like this move. Obviously some tablets can already get content via the website but it's a move to make it more ubiquitous across all media. Nopefully will gee Sky et al to follow suit.
I use this service quite regularly, more convenient with better options than a PVR in my view.
http://www.nzherald.co.nz/technology/news/article.cfm?c_id=5&objectid=10848172