...The biggest difference, I think, is the user interface. Bryce was "cutting edge" when guru Kai Krause got his hands on the UI- and made it somewhat of a "Mystical Experience" to user Bryce (in fact- in "those days" the MYST game was a big hit and people seemed to accept quirky, exploratory UI's as a "game") But- over time, the Bryce UI became more of a hinderance than a help. This is why, as a Long Time Brycer, I bought Vue 2, at the recommendation of a Swiss friend working for a US software company. I IMMEDIATELY liked the easy to use, and understand Vue user interface. It seemed to take all of the standard 3D UI's around and make everything SIMPLE to use and find. I was making great scenes in MINUTES with Vue 2 (and Vue 3, which was released a few months later) compared to what took me hours to do in Bryce. I fully realized that Bryce's UI was actually HOLDING ME BACK from doing what I wanted to do. (However, E-on DID adopt the "Trackball" idea from Bryce-Poser by Vue 4. This was a really good idea.) Of course the other obvious thing is that Vue's Plants-Trees remain the best to use and work with- compared to Bryce. One other thing- I (and I think other people) liked Vue's way of handling LIGHTING (i.e.- "color temperature). Bryce has always had a COLD rendering look, where Vue has a WARM rendering look. This is why I think Bryce's most LOYAL Professional followers tend to like doing Architectural work with it, while Vue users are most like doing Landscape work. Of course- both programs can be TWEAKED to look very similiar in looks once you have learned to use them. But Newbies like Vue mostly for its quick, pleasant looking results...