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!"
If there's one specific Best Buy that inspired Chuck's "Buy More," it's probably the one near where I live--it's the one closest to Echo Park (where Chuck lives), it's got a Costco a hundred yards away, and there's a sandwich shop across the way.