I just made the transition from JigLibX to BEPU this month, mostly prompted by the need to quickly create a project for a local UK Imagineering event this weekend. I needed a simple, but technically interesting task to catch the attention of kids aged 6 and up (http://www.imagineering.org.uk). The robot arm demo sample caught my attention when I was working through the demos (which have taught me a lot about XNA, let alone physics sims!), so I wired all the BEPU clever bits up to some BasicEffect models knocked up in XSI Mod Tool (developer art assets I'm afraid

http://xna-uk.net/blogs/braindump/archi ... -fair.aspx
Cheers,
Edward