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!"
So what is the difference between the S620 and the S621? Will it force the subscription to and use of the Rogers "Portable Network" at $49.95 per month? I live in Fredericton, NB which was one of the world's first free wi-fi-enabled cities and this is why I am interested in this phone.