WordPress 3.0 Cheat Sheets

Creativeoverflow published a list of useful cheat sheets updated for WordPress 3.0.  These lists are really helpful during WordPress theme development.

4 Advanced WordPress 3.0 Cheat Sheets | Creativeoverflow.

For those using Coda as their developing software, you may also want to have a look at this WordPress Coda clips, proposed by WPCandy a while ago.