Everything I've ever read about Google's customer support infrastructure is that they don't "do" person-to-person transactions. Hardcopy? You must be joking.
That seems to square with my experience. Google Apps is free for nonprofits up to 3000 users, though they start you out with something like 100. I hit the "request more users" button and I was up to 500 almost instantly (though it said "we'll get back to you" after I hit the button.