i use a mic on a boom stand....
you dont need to get a mic with some auto sensing bs. the softwares got that feature in it. you tell it when to come on and how long to stay on after silence begins. just spend the time setting it up right.
vent/teamspeak seems like it would be pointless if in a match you had to hold a button to call position while youre fighting.
cameron - you prob got some compression going on from a volume meter thats too low. open up windows volume control and balance the 3 levels of wav, master and vents.