Paul Irish, to learn advanced JS/CSS3/HTML5 for the masses.
http://paulirish.com

Simon Willison, to learn lotz of stuff and to be on the edge.
http://www.simonwillison.net

Stef Dawson (core Textpattern hacker and TXP plugin author), because he knows advanced time warping techniques and he's über fun.
http://stefdawson.com/