It sounds like your graphics card to me. Anything to do with 3D crashing or display driver BSOD points to graphics card. Do you have an old graphics card to test it in?
Yeah I been playing with it, trying to rebuild my house. A few clicks and I can test in oculus vr mode to make sure the scale feels right. It's an awesome engine and the lighting makes everything look "real". Still have tons to learn though
If you have an android device, you can play Jedi Academy on that, just get this app and copy your PC files over
https://play.google.com/store/apps/details?id=com.beloko.jk3&hl=en
I like the atmosphere in AC Unity, it's always bustling with tons of people everywhere; although it's all probably exaggerated and more populated than real 18th century Paris
Everything's saturated, looks like it's the post-iPad era now
http://www.businesswire.com/news/home/20150202005241/en/Worldwide-Tablet-Shipments-Experience-Year-Over-Year-Decline-Fourth#.VM_8EdXF9NE