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!"
Got the T339 Today. Boy am I spoiled...
I upgraded from a Razr v3 silver.
T339 - Cannot Lock out t-zones. Some apps you can lock like tasks, and calendar.
V3 - Option to Lock Internet, AOL, and a number of other items.
T339 - None of the following are changable: external side buttons, Internal keys, soft keys.
V3 - Most buttons are changeable.
T339 - The side dedicated camera button gets in the way BIG TIME. I keep hitting it by mistake and turning the thing on. Very annoying.
V3 - Does not have this problem.
T339 - HAS WI-FI and so far works AWESOME!
V3 - Unfortunately, the V3 does not have this problem as it does not have wi-fi.