What kill streaks do you usually use? Any good high killstreak combos that work well?
I personally love warthog and lodestar. Warthog and k9 is nice since you can keep running instead of sitting in a killstreak. I always use orbital VSAT.
Also, I didn't mean high k/d as a measure of skill level at all. People camp, people spawn kill, I have a k/d of 2.56 and I don't consider myself to be 100% better than anyone. I am merely just curious about the people use the highest kill streaks, get them regularly, and have tried them all to figure out some favorites.
I have a pretty high K/D (3.97) and a fairly high SPM (564) and I mainly use Lightning Strike, VSAT, Lodestar setup but sometimes use VSAT, Dogs, Swarm. I have over 5000+ kills with the Lodestar alone and looking at my combat record I average almost 11 kills with each Lodestar I call in. When I have games where I get 70+ kills I'll get 25-30 kills with my gun and the rest will be with the Lodestar. It's perfect for padding your kills =)
As far as the Dogs and Swarm goes for me, I've called in the Dogs 60 times and only have 381 kills with them which is only an average of 6 kills a game. The Swarm I've called in 35 times and I've gotten 317 kills which is a nice average of 9 kills each time I call it in.
EDIT: Keep in mind this is playing 6v6 Domination. If you play GW these average will probably be higher.