Hey, I'm a PS3 player, play all the time and all, and honestly am an above average player in my mind.
This class is a favorite, this is the class I used to get my 30 kill streak in a FFA (wish I had a nuke on at the time >.<)
Weapon: SCAR-H Heartbeat Sensor
Secondary: AA-12 RDS
Semtex
Flash or Stun
DEATHSTREAK:
Martyrdom
PERKS:
Scavenger Pro
Stopping Power Pro
Commando Pro
KILLSTREAKS:
Predator Missile (Omitted if Nuke)
Harrier Strike
AC130 and/or Nuke (if talented, if pred omitted)
Why? Because in that game (yesterday, FFA) what I did was focus on controlling 1 portion of Rundown. I was able to control and entire section of the map, and no, not a camp out. This was the section from the one yellow building on the one side by the big bridge on the right (from the yellow building) to the blue building on the far left. I covered the entire half of the map, and I was able to absolutely dominate everyone who didn't have ninja on. And the ones that did have it, I knifed! (Ah, you were wondering why I had commando) TBH, I love this class, and it's easy to unlock! If you can knife, shoot, and find dead bodies, you get all those perk pros! And the SCAR is unlocked at an early rank, and it only takes 90 kills to unlock HB! (75 to silencer, 15 to HB with silencer)
EDIT: Btw, if you want to add me, I've got the same name on PS3: psycopath2000