and No. 104 [ http://www.livejournal.com/support/faqbrowse.bml?faqid=104 ] and inspired by Support Request [ http://www.livejournal.com/support/see_request.bml?id=168881 ] (as well as many others of that kind).
Since the Support's policy is to never distribute invite codes through support area, Support volunteers could not really help people asking for a invitation code. All that we can do is to suggest asking friends or buy an account.
On the other hand, there is lot of people who has (for diffeerent reasons) lot of invitation codes which they don't need. For the Russian-speaking part of LiveJournal it's quite easy: there are two communities, one for asking for a code if someone has an extra one, and other for offering codes for those who wish (usually under certain conditions).
I don't know exactly, but i am sure that some communities of that sort shall exist in English-speaking part of LiveJoutnal. What i propose is to have linked the above referenced FAQ pages with such communities (like it is already done for newmembers and howto.