From Gamasutra:

The editors of Game Developer magazine and Gamasutra invite readers to participate in the annual Game Developer Salary Survey, the only statistical study of game industry salaries and benefits across the years. The information provided will help inform the entire game development community.
Now, for the first time, the survey also includes indie and contract [...]

From Gamasutra:
Game Developer magazine’s editors have launched the 2009 State Of Game Development purchasing survey, with an all-access GDC 2010 pass as incentive for completing the questions.
The survey covers topics such as company size, market sectors worked in and tools used, and should be filled out by any current professional game developer. Select results [...]