Vent is free, too, only one that has to pay for it is the one w/the server. you dont have to pay for it to be able to use it.

but, Skype-vent-teamspeak-somthing, anything, really. voice communication is just soooooooooo much easier than typing out all the instructions given during an instance (or 'STF') and just makes things smoother, speeds the whole process up.