Agree with everyone that it looks great and I like that you're doing an educational game. Hopefully it will be successful, even (especially) if you don't end up selling it.
I would suggest doing a Medieval Structures Pack with houses, fences, bridges, broken walls, etc. in one pack and a Medieval Items Pack with carts, tables, chairs, torches, buckets, tools, etc. in another. With a discount for those who buy both.
I would buy this because I appreciate that your work is higher quality. But because I already own a lot of these, I would wait for a seriously good price/sale.
Also:
Aggror's Third person camera - ball game example
http://www.leadwerks.com/werkspace/files/file/121-third-person-camera-ball-game-example/
klepto2's Simple Chase/3rd person camera class (new more advanced)
http://www.leadwerks.com/werkspace/files/file/3-simple-chase3rd-person-camera-class-new-more-advanced/
For some reason I was under the impression that DirectX and OpenGL automatically don't draw triangles that aren't visible but I'm not sure where I got that from. Is that not the case?
Gotta say: I don't know how much of it I can use at beta but I'll definitely be buying it (if the price isn't very steep) - in good part just because I think you, your concepts and the way you do business are worth supporting.
BES, not sure if you got the reference: Josh said that Leadwerks (formerly Leadwerks 3D, formerly Leadwerks 3) was anticipated to be released during the summer. Then there was a reference to Crocodile Dundee, which was released September 26th. So... the mystery remains.
Lots, including Leadwerks 3D to be released soon-ish, as well as a professional game released for sale recently (Hoodwink). Check out the Community and Asset Store sections to start.
Agreed that putting your energy into practicing instead of complaining is the best advice. One of my favorite authors says that to get good at writing you need to do three things: write, write and write more! Write thousands of pages. Then you'll start to get good. Wishing and fantasizing gets you little. Practice is where it's at!
If you don't need to generate it on the fly, you may want to look into the road support in the Editor. If you do, it depends on your set up. If your world is square tile based, for example, simply create textures for each of the possibilities of straight, curved and intersecting roads and apply to planes as necessary.