FIRST itself and the RINOS group have compiled a set of resources that all new teams should avail themselves of.

Out RINOS Manual for Rookies can be found here.
Note: There is a lengthy link list in the manual of interest to all teams, as well as calendars, organizational charts, and the 2006 Team 25 handbook. (The 2007 version can be viewed here, and is also linked to in the Team Manuals section of this site.)

The FIRST Presidents Circle page of resouces for new teams can be found at http://www.usfirst.org/community/frc/content.aspx?id=7012

Also highly recommended is the CD set of Team 341, Miss Daisy's Team in a Box, cited in the President's Circle list above.