yea cyo ive thought of that before, although i thought of it the other way round (to use jabber user information to post vbulletin messages, like a vbulletin transport).
stallion: what do you mean by "web-ports of the Jabber protocall"? i suggest you read up a bit on jabber before deciding how tough it would be
shaman: jabber itself is the jabber server which is quite stable, you might have used an early/buggy/crap client.