Also, be sure to check out craftzine.
Using AVR Microcontrollers
Tom Collins was talking about this site when we were working on the TV-B-Gone projects recently.
Events & Activities
HMS Beagle Science Store - voted Coolest Store in Kansas City
Check out these other great Maker Friendly groups:
Local Hackerspace and Makerspace Groups
Regional Hackerspace and Makerspace Groups