vB4 or vB5
 

Hi, I'm still running vB3.7.3 on my site. Purchased the vB4 suite when it was still beta but have never found the time to upgrade to it. Before I knew it, vB5 is here?! From what I've been reading there are a lot of features not yet available on the vB5 such as CMS, photo album, etc. If I want to do an upgrade by end of 2012, and most definitely Q1 2013, should I wait and upgrade straight to vB5? That also partly depends on whether vB5 will have the missing features available by then.

A very big factor for me is I don't want to spend a lot of time getting myself, the rest of the admin team, and also the user base all learned how to use vB4 only have to switch to vB5 in say after a 3-6 months time.

Also any discount if I upgrade directly to vB5 if I haven't used my vB4?