a few questions about smf to vbulletin
 

what's invloved in switching smf to vbulletin,and would much data be lost in the switch over?how long would it take ? what would be the best version of vbulletin to use.

what do ya need to run vbulletin?

how much would it roughly cost to switch it all over inculding in the vbulletin license?

thanks for reading i know there alot of questions in there but i am a total noob