[hachiya]

BitlBee:

  account add jabber [e-mail] FACEBOOK_PASS
  account list
  account add 2 (or whatever number the above list shows is Facebook)
  # you'll need to do a /whois on your friends and rename them: 
  rename u393222111 John
  rename u134322433 Bob

[yurifury]

Thank you very much.

The renaming is fairly annoying, can anyone think of a way to auto-name users?

[hachiya]

A script to do /whois the first time, and rename the nick to the shown username would work.

Here's one: http://a.ngus.net/bitlbee_rename.pl