VB4.0 - some questions
 

Firstly* I'd agree with the voices raised in anger at the high-handed policy of expecting people to upgrade to what in effect seems a completely new product sight-unseen (apart from three or four screenshots which tell nothing)* and with only a couple of weeks in which to make the decision* or get hit for a hoiked up price later on

A couple of questions:

If I go against my gut-instinct and purchase the upgrade* and run it - will my forum look and operate the same way after the upgrade? Or will it suddenly turn into something completely different?

Equally as important: I deliberately only have a few add-ins* but will they still work after the upgrade? Fundamental to the way my site (an art site) works* is the ability to display thumbnails on list screens* and that's currently done via an add-in* because there was no way of doing it from vBulletin itself

The new v4 features list says "View the attachments you have posted (link or thumbnail views available)". What does that mean exactly? Does it mean that attachments can be configured to automatically show up as proper thumbnails on list screens* as per my add-in? Where can I see that in action?

Finally: Where can I see anything in action?