John I am soo sorry to hear of your loss.  I do however appreciate you posting this hard learned lesson in hopes of others not getting ripped off.  If you want to compare V5 with V5I the best ways to do so is to look at the art here at Rosity or perhaps better, go to Vues website and compare the features there.  The one HUGE thing that is incomparable is the ecosystems that Infinite has.  If you aren't into doing landscapes now or the future than V5pro might be the way to go.  Either way, do your homework on their site and see what best fits your needs and also offers the ability for you to expand your artwork in the future.  Buying V5I is a HUGE it to the checkbook, but if you are getting into 3d art and hope to expand, it is always better to buy something you can grow and expand into as your interests diversify and your talents increase.  Good luck

 

G&C