I've been using VB since 2003 and am currently running 387 PL3 and contemplating upgrading to VB5.
the path is a little painful because I have to first convert to vb4 then vb5, yadda yadda yadda...
plus I have all three products from photopost running - classifieds, reviews and photo...
the nice part about the photopost products is that they would use the header and footer from another well known forum product and since I had my own custom menus built into the product header they were a snap to integrate.
for the last 8 years I've been using a large forums software products on a few sites. I started out with version 2 and and currently running a late stage Version 3.
I'm close to switching to version 4.
I use all three products from photopost - gallery, classifieds and reviewpost - does Xenforo...