Let the hive mind of Engadget get that for you.
"I've found myself using my PC for a lot of conversations lately, and I'm also considering recording a podcast to share with anyone who will listen. There are tons of USB headset / microphones out there, and I'm hoping someone has some solid recommendations based on experience. I'll consider both headsets and standalone mics, by the way, but I'd like to keep the bill under $100 if possible. Help!"
One negative of this: FOX HD is about 5 seconds behing analog boadcasts. Usually, sports bars will not replace ALL of their TVs with HD-capable ones, or even display the digital feed downrezzed on the SDTVs. So, you'll know what is about to happen from the reactions of the viewers around you.