http://www.vbulletin.com/faqsales.php

the importerlist needs to be updated with:
  1. Maxportalweb.
  2. Jiveforums.
  3. Xoops - Newbb
  4. Siteframe (users & categories)
  5. PNphpBB2 (Post nuke)
  6. TruBB
  7. bbBoard2
  8. MyBB
  9. tritaniumbb2
  10. ASPPlayground (MSSQL)
  11. Geeklog
  12. PunBB
  13. e107.org
  14. phpBB1
  15. Flat file user (CSV style)
  16. Oyxgen
  17. megaBBS (MySQL data)
  18. yahoogroups_text (users in a CSV file and a mail log file)
  19. wowBB
  20. vB lite 1.0

beta :
  • Encore II
  • freethreads