In the recent CoD Black Ops Escalation map pack preview, it shows that there will be new perks and kill streaks. Just wanted to let the CoD fans know 
Look at 0:10 in the video
[youtube]http://www.youtube.com/watch?v=U_Wz3CWYStU[/youtube]
Look at 0:10 in the video
[youtube]http://www.youtube.com/watch?v=U_Wz3CWYStU[/youtube]