Most Used

PhotoReflect

  E-commerce platform for photographers

Digg

  Great resource for what's hot

LinkedIn

  Social networking for professionals

My Yahoo

  Portal for current news and information

ASP.Net Development

Code Project

  Many good examples

Google Code Search

  Great way to find source examples

Koders.com

  Another great way to find source examples

ASP.Net Development Center

  A good Microsoft resource

Learn ASP.Net

  Great video series for those just learning

Photography

PhotoJoJo

  Some cool photo related products

dpreview

  Best source for new camera information

PhotoReflect

  Sell Photos Online

ExpressDigital

  Digital Photography Software for Professionals

Stocks

Seeking Alpha

  Easiest to setup and has the most advertisers.

Candlestick Trading

  Information on Japanese Candletick trading

Burnham's Beat

  Software technology and finanace

In The Money

  General market thoughts

Ad Networks

Google - AdSense

  Easiest to setup and has the most advertisers.

AdBrite

  Good features, OK advertisers, easy to use.

ValueClick Media

  Rich Media Ads, Great well known advertisers..