It's fairly detailed and appears consistent and of course is a unique concept when compared with the usual project. I think I might agree with the hard edges criticism, but it isn't that big of a problem to me. Disenfranchised is full of them, but that's part of my style and I'm using the blockiness of BSP (older school) to my advantage. I don't know if that would necessarily work with Suburbia, but slap it on a todo list and worry about some other time.
Keep up the good work.