So far, I am enjoying the PDW-57 right now. It reminds me of other SMGs like UMP45 and AK-74u but still, it takes too many bullets to kill but I just got use to it. But I do have my eyes on the Chicom CQB and Skorpion EVO. I don't have those unlocked but those look like beastly SMGs too.
I am the Thunder Dragon! Xbox 360 Gamertag: TDPNeji