Some links to stuff I feel is worthwhile:
http://www.batlabs.com
Great resource for Motorola commercial radio hacking.
http://batboard.batlabs.com
Message board for Bat Labs.
http://www.trunkedradio.net
Information on trunked radio systems. Frequencies, talkgroups, and
decoding software.
http://www.hamtv.com
Equipment and instructions for ATV (Amateur Television.)
http://www.qrz.com
The first place I go when trying to look up a call sign. The msg.
boards are full of lids though.
http://www.eham.net
Lots of equipment reviews and good articles. See above link about the
msg. boards.
http://www.powerwerx.com
Need any Anderson Powerpoles for ARES/RACES compliance? Here's the
cheapest I've seen.
http://www.westmountainradio.com
Makers of the RIGblaster and RIGrunner. See above for RIGrunner
purchasing though.