I saw a lot of small dynamic blocks, but I didn´t see some compact system. We make drawings with steel structures, so we are using profiles, connections, connection accessories, etc. I send a links with videos, how we are using dynamic blocks. These videos are for your inspiration.
First video - joint connection, second video - moment connection.
http://rapidshare.com/files/2923864803/Dynamic_blocks_-_part_2_-_joint_connection.avi
http://rapidshare.com/files/1565229777/Dynamic_blocks_-_part_4_-_moment_connection.avi
Tomas