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!"
I actually picked one up yesterday to watch the Giants game. I got home and found that my antenna SUCKED, so I couldn't pick anything up. Are those $50 amplified tuners at Radioshack worth it? No cable for me... (for the next two or so months).