Good list. I thought all of the usual tech blogs have been very weak and most good tech writing is coming from traditional sources or individual bloggers.
Take the Gladwell piece, for example. I won't disagree with that FB activism can be "shallow", but perhaps this is just the way it will be in the future. Maybe the future will hold less idealism than the past. All that moralizing and holier-than-thou attitude is a bit much.
I wish one of the blogs would hire a good roster of tech writers and put out 2-3 good articles a day, instead of 10-15 gossipy and poorly written articles a day.