Here are some link I think are worth the time:

  Link - K1ZM / VY2ZM  - a great site by Jeff.

  Link - W8JI - excellent info here

  Link - K1TTT resource - lots of good info

  Link - K3LR contest operation

  Link - KC1XX contest operation

  Link - K5ZD (Live Audio during contests)

  Link - Spaceweather.com

  Link - dx.qsl.net propagation

  Link - NOAA POES Auroral Activity

  Link - NOAA propagation: ftpdir/weekly

  Link - NOAA Spaceweather products

  Link - CAPS

  Link - 565 TenTec Wiki

  Link - 565 TenTec Wiki

  Link - TenTec

  Link - contesting.com

  Link - NG3K Amateur Radio Contest/DX Page

  Link - eHam.net

  Link - DX Notebook

  Link - VE3HLS RF Noise Page 

  Link - Comtek Systems

  Link - DX Engineering

  Link - Array Solutions

  Link - MicroHam

  Link - Acom

  Link - Alpha Radio Products

  Link - Top Ten Devices

  Link - Max Gain Systems

  Link - Force 12

  Link - Optibeam

  Link - Amidon Corp.

  Link - Dunestar Systems

  Link - Logmein  - Remote PC connections

  Link - Real VNC  - Remote PC connections

  Link - No-IP  - The Free DNS Service Provider

  Link - Webpowerswitch  - Great PC controlled remote power switching

  Link - Digital Loggers -  Great PC controlled products