Ask HN: Best articles on how to negotiate salary for Software Engineer position
It's hard to beat patio11's great blog post on the subject: http://www.kalzumeus.com/2012/01/23/salary-negotiation/
I'll also add this for inspiration; it's the story of one woman's success at the negotiating table after going outside of her own comfort zone: http://www.women2.com/getting-hired-as-a-new-female-develope...
The Noel Smith Wenkel Salary Negotiation Method