http://www.usfirst.org/uploadedFiles...mpus%20Map.pdf
Official 2010 diagrams are not up yet, but was able to find this one on the FLL page.
Pits are usually in GWCC Bldg C, and non-drive team members use ground-level C entrance to access the Georgia Dome.
What they call "west plaza gold deck" is the grassy area where most teams eat lunch / toss frisbees / where the annual Chief Delphi Web-hug is held.