I’ve read a few blogs pretty much exhaustively and consider them to be part of the canon of tech, usually covering timeless topics. Two notables are Paul Graham and Joel Spolsky. I also liked David Sacks’ blog on the mechanics and strategy of running a SaaS business.

Any others you’d recommend that are (a) consistently high quality (b) evergreen topics.

(NB Paul Graham’s is technically not a blog – no RSS feed – but his essays are the equivalent of high-quality blog posts, spaced over time and published online.)