Useful Tools
Learn
Seth Godin - use to gain understanding of how to approach a startup - high level view.
Alex Iskold's Startup Hacks - great overall outline for when you're first starting a company.
Stacklist - learn what tools real companies use.
Hongkiat - get the latest hacks for graphic design and programming here.
Dribbble - design inspiration.
MIT Tech Review - read the latest in tech developments.