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What perk do you think is the most under rated?

IMO, Sitrep has saved my ass countless times as well as telling me where they're hanging out.
Last stand with final stand has extended a few killstreaks too plus a reason to use the MUTE perk.

I have to agree with everyone that said Sitrep Pro, it takes a long time and is unlocked at such a late stage that many ignore it.

Ninja Pro. hands down. I have a tritton headset. so when you dont use ninja i hear you, ninja is the best overall perk in the game, and lots of people never use it.

Ninja Pro or sitrep.

So true its so great i dont think its under rated=D

sitrep for hardcore. and for regular core matches.. i just wish my whole team would have cold blood on.

hardline is ok but not as good like sitrep.

Don't you mean Ninja Pro??

Anyway, I would have to go with Sitrep Pro aswell ...
Saved me so many times and with a descent sound system/headset it will deff. enhance your gameplay ...

Cold blooded pro. No deaths by killstreaks = win.

Ninja Pro! I use it on every single one of my classes. (Besides the class my dad uses, which has commando :wtf I have a headset, so I can already hear people's footsteps. And, I guess I'm just accustomed to being silent. Before I got Ninja Pro, I was having a really hard time rushing, I'd say if you're going to rush, use Ninja Pro.

Sitrep Pro. I hear everyone with their super lunge before they're even near me.