I agree about vent. It's a must have (ok, the leader will have to give order by chat for uber also) and some discipline during action is mandatory.

If you already have good headphones and don't want to buy a headphone/mic combo, buy this : http://www.zalman.co.kr/ENG/product/Product_Read.asp?idx=210

[Linked Image from w3.the-kgb.com][Linked Image from w3.the-kgb.com]