www.gweep.net/~sfoskett/tech/poecalc.html – estimate the voltage drop
www.nycwireless.net/poe/ - detailed instructions on how to build a simple splitter

extreme-weather enclosures:
www.tessco.com
www.talleycom.com
www.ecwest.com

Lightning protector online vendors:
www.fab-corp.com
www.pasadena.net/shop
www.hyperlinktech.com
www.wisp-router.com
www.ydi.com

www.isaac.cs.berkeley.edu/isaac/wep.fac.html – Paper on cracking WEP
www.agnitum.com - wireless LAN Security
www.zonelabs.com - wireless LAN security

www.nod32.com – anti-virus software , smaller company that provides competitive bulk licensing and yearly renewals

Antenna grounding guidelines:
www.qsl.net/ccarc/light.html
www.polyphaser.com/ppc_pen_home.asp

http://directory.google.com/Top/Computers/Security/Anti_Virus/Products/ - comprehensive list of anti-virus software

surf completely anonymously by using a third-party paid service:
www.freedom.net
www.anonymizer.com

www.webveil.com/matrix.html – overview of anonymous surfing services
http://directory.google.com/Top/Computers/Internet/Proxies/ - general directory of anonymous surfing sites
www.roboform.com – password helper program

Antenna grounding information:
www.qsl.net/ccarc/light.html
www.polyphaser.com/ppc_pen_home.asp

http://people.ee.ethz.ch/~oetiker/webtools/mrtg - Multi Router Traffic Grapher
www.raxnet.net/products/cacti/ - more powerful successor RRDtool
http://directory.google.com/Top/Computers/Software/Internet/Network_Mangement/ - good starting point for SNMP monitoring software

DIY Software:
M0n0wall - www.m0n0.ch/wall
Pebble - http://nycwireless.net/pebble
WISP-Dist - http://leaf-project.org/

commercial suppliers:
RouterOS-www.mikrotik.com
StarOS-www.star-os.com

More DIY Resources:
www.socalfreenet.org/standardap - comprehensive design and description for a wireless access point used in a community network
www.nycwireless/poe - how to build a PoE adapter from $10 worth of parts for your existing access point
www.seattlewireless.net - a treasure trove of hardware comparisons, specs and vendors
www.socalwug.org - wireless projects, reviews, and vendor presentation videos

Active mailing lists where DIY-related information appears regularly:
www.bawug.org
www.personaltelco.net