I haven't been to all of the holds yet, so this may be a premature question... but... do any of the tilesets resemble the castles/keeps in Oblivion at all? I've glanced through the Architecture and Dungeon branches in the CK, but so far I don't see anything that would resemble a castle built in Oblivion. I'm hoping I just wasn't thorough enough, though.

The civil war forts are quite similar. Windhelm also has modular wooden and stone walls and floors. Using these together would look quite good, methinks.

Ok, cool - I'll look into those. Thanks!

Most of the tilesets are for dungeons. The city sets are custom fit parts.