Yeh chrome camo would look pretty nice so long as they do it without making the guns look fake. Maybe if just part of the gun is chrome.
And also, boosting wouldnt be a problem if IW just take out tactical insertions in Freeforalls like Treyarch did. I barely ever see any boosting in Black Ops. I think headshots is the only way of doing camo properly. Besides, I find it fun trying to get headshots to unlock the next camo, I got tons of Tigers in MW2