question about vb4
 

my license expires on 31-3-2010. I want to buy
vBulletin 4.0 Publishing Suite (with cms)


what should I pay??
im using now vb3 ( last version) with joomla 1.5. in the future i want to use vb4 with the great cms of vb. Is vb cms is the same cms as joomla??? (with sections/catog and articles?

thank you