Electronics

• ELM - Electronic Lives Mfg.
• http://www.ucapps.de/

CNC Related

• http://www.cnczone.com/
• http://www.widgitmaster.com/
• http://www.mr-bean.co.uk/

Fun/Interest Stuff

• http://www.dansdata.com/
• http://www.penny-arcade.com/
• Zero Punctuation