Here is the thread with the U-Boats, Revell Type VII C and Hobbyboss Type VII A, both 1/350
http://cs.finescale.com/fsm/modeling_subjects/f/7/t/145606.aspx
Dragon 1/350 Alfa Class SSN
http://cs.finescale.com/fsm/modeling_subjects/f/7/t/135472.aspx
Bronco 1/350 Kilo Class SSK
http://cs.finescale.com/fsm/modeling_subjects/f/7/t/134349.aspx
Dragon 1/350 USS Dallas & Airfix 1/350 HMS Torbay
http://cs.finescale.com/fsm/modeling_subjects/f/7/p/135473/1394110.aspx#1394110