ok the developers have said time and time again that they want to return to the "gun on gun" action of cod4 and that they don't want most of your kills to come from killstreeks.
so. this most likely means that we will get introduced to many new low team support killstreeks and much less chopa'-gunna' lik killstreeks. Personally i'm excited about this because low K.S. like UAV and care package have a huge impact on the game much more so then the high K.S. which can ez-ly be dealt with with a coldblooded stinger type class and the lower K.S. tend to be much more creative. i feel this is what they should have been used for in the first place and more support as opposed to getting more kills