Between all of those the best performers would be the Striker and Sledge's Shotgun.
Conference Call has been nerfed beyond the point of being useful. --- XBL GT: Ki11er Six (ONES - not L's with a space between the word) Borderlands 2 farming guides: http://www.youtube.com/playlist?list=PLE35BE032DF764AEC
I voted Shredder. I know the KerBlaster is statisticaly the better option, just never enjoyed using it that much. Get Sal gunzerking two of em w/ keep firing and it sounds like MG-42s ripping the fabric of the universe. --- What is a man?! A miserable little pile of secrets!