Although this set-up it’s smart, it’s not exactly new; offloading rendering chores to remote servers is something Opera has been doing for awhile on mobile. Amazon, however, has a much more robust infrastructure in place to handle this sort of stuff, and given the $200 price point of the Kindle Fire, they’ll likely have a lot of volume to deal with.
The browser plays a big part in tablet computing, and Silk already stands apart from many of the current alternatives. While it all looks great on paper, we’ll have to reserve judgement to know for sure just how well the whole thing runs. In the meantime, here’s a video talking about Amazon’s thinking behind Silk on the Kindle Fire tablet. You can learn more about the browser here, or at their FAQ.