[I AM THE PROPHECY.]

So. My PC has, through three OS installs and a wide variety of driver configurations, never had a functioning mic jack. I have no idea why. This is problematic. I'm sick of putting up with the outmoded concept of typing that my opponents are big gay babies.

I have seen, from a great distance, "USB headsets." How do these wonders work? Can I bypass my problematic mic port? Do I need a dedicated soundcard or is the integrated thing on my mobo good enough? Best Buy has this sumbitch right here on sale this week; ignoring the fatalonethankyou branding, is it any good? If it sucks is there anything better that you care to recommend? Educate me, and make me better than I am now.