took two week to integrate vbulltin in dolphin 7. with bugs. now he does not response to my bug report for over one week.
now the link in market place is removed: http://www.boonex.com/unity/extensions/entry/Forum_Replace_ORCA_with_VBULLETIN/
because of your VB version I created a new version its here also the bugs was fixed already
http://www.boonex.com/unity/extensions/entry/D6_and_D7_VBULLETIN_3_and_4_completely_replace_ORCA
now the link in market place is removed: http://www.boonex.com/unity/extensions/entry/Forum_Replace_ORCA_with_VBULLETIN/
http://www.boonex.com/unity/extensions/entry/D6_and_D7_VBULLETIN_3_and_4_completely_replace_ORCA