I think the reduced & random tonnages are great
Especially when you sink something a lot bigger than you expected it to be
I have noticed that getting medals for your crew is a lot harder through. The commander will be able to rack-up his medals quickly with some good patrols, but your crew getting medals is very slow.
I'm currently in my 25th patrol in a IID in '43 and have only 2 iron crosses between my whole crew
