all lovely models, my comments 1-by-1:
1. wonderfull colorful art architecture city made in 3d, unique, not seen yet.
2. library is a beautiful old house, hope to see more details of pic in your 3d.
3. for a shop at corner out there in neighborhood for a videotheke seems Ok.
4. Wonderfull 300m building, simple but totally different no arch discover yet.
5. This modernist house i liked much, but would prefer the walls in white sure.
6. Beautiful glass effects for such small office building box as ever there also.
7. For a studio, shopping or whatever office company HQ seems really nice.