Configuring Logitech USB Headset 250

I picked one of the above up and plugged it in. 10.0 recognizes it, as bus:001, device:006. I'd like to be able to record from it and use it in place of my external speakers (especially when I'm on midnights and everyone else is asleep, and vice-versa). Can someone point me in a direction to go? Google turns up a fair bit on using it with skype ( a project for later), but not much about normal usage that I saw.