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!"
"Please note that all channels listed may not actually carry HD programming, but are capable of doing so. These situations will show either 0% for the HD% or have a blank HD%. This is often the case with the 'Local Broadcast' listings."