There's also Blender, but it can be hard to learn: https://www.blender.org/ And there's anim8or which can be good for making 3D models: http://www.anim8or.com/
Bryce should be pretty straightforward. They designed it to be user-friendly, unlike more professional things. I guess a tip would be to just explore the menu for different options.
"Speaking of, there's this new release of the NES with built in games that's supposedly nigh-impossible to find. " Just build a retropi dude
