Silicon Alley Insider think NYT are ahead of the pack. Lots of widgets coming, more blogrunner integration and development of the TimesPeople social overlay.
New features -- rooms and group recommendations -- have radically increased the usefulness of FriendFeed to the point at which its content recommendation engine may be better than Digg, since it relies on conversation rather that (gamable) voting
Fascinating post on how live citizen tv coverage of S Korean protests over food safety, which were largely ignored by mainstream media, prompted massive coverage.
Pageflakes hasn't done that well and other personalised homepages (including iGoogle) have failed to catch up with older (and less open?) personal portals like MyYahoo.
An obvious point perhaps, but some aspects of sharing have their limits -- my location, salary, investment portfolio -- that I am only going to be willing to share with a trusted network.