While I'm listing great Amazon deals, it's definitely worth mentioning that they have Kelty carriers on sale too! I just got the Kelty K.I.D.S. FC 3.0 Frame Child Carrier for $146.97 with free shipping (normally $209.95)! And it got a great review from my friend Kris, she says as soon as you get it adjusted correctly it's awesome :).
They also have the Kelty K.I.D.S. FC 2.0 Frame Child Carrier for $125.97 with free shipping if that's the one you want.
I don't know how much longer this deal will last, so if you're in the market you should jump on it!