I came accross this article link from N4G

http://www.timesonline.co.uk/tol/news/uk/science/article3689881.ece

Obviously not for us today,... but with what is possible with this technology, is that it will insure downloads will replace physical formats.

DOCSIS 3.0 should allow cable companies to ramp connection speeds upwards of 350 Mbps using the current infrastructure.