Maybe start with the dark cult webring?
- Gwern - Calling Gwern's site a blog is kind of disingenuous, but oh well. His newsletter his fantastic.
- Liam Cooke
- Jake Franklin (Has fancy CSS, too)
- Leandro Pereira Wrote lwan. Lots of good low-level stuff.
- N-Gate Satire.
- Quel Solaar Low-level savant
- DragonflyBSD Digest They have good link collections
- Geoff Greer
- Allessandro Cheli
- Edwin Wenink