SD weapons are excellent for there limited recoil.
If you have a SD weapon, as otter said its not much different without one. You just need to know how to use it. The shots are weakened, but there are huge advantages that outweigh that one disadvantage.
You
CANNOT be spotted as easy!
Less recoil - Easier headshots
There are more advantages.. you just need to know how to use them. An unsilenced sounds more deadly but isn't really. I think it all about equals up.