Comcast brought video on-demand streaming to subscriber's mobile devices since early last year, but now an update has added the option to download (some) content for offline viewing.
So we feel your pain, original Kindle owners, after Amazon announced a major firmware update that brings native PDF support to the 6-inch Kindle 2 and DX readers with the promise of a staggering 85% increase in battery life to all Kindle 2 devices -- if you haven't already received it OTA, the 2.3 software update is now available for download and installation via USB tethering.