The Circle Six blog has some good info on wordpress theme design on a mac:

“Having spit out several WordPress custom sites in the last few days, I thought I’d detail my current workflow on my Macintosh OSX platform for posterity … A brief summary to begin with … This post will confine itself to the tools required to create a custom theme for WordPress without hacking the core code. However, all of the tools that are mentioned are powerful enough to handle such tasks and I don’t use any additional tools to do my core hacking.”

Looks like I can have a go at designing my own theme sometime soon.

(Via TUAW.)