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'd rather have the unlocked version that put up with the excessive carrier-branding and crippled features you get with a subsidized device.
That said, I hope HP had fixed the phone implementation for the Rogers' version. The unlocked version has a very solid PDA coupled with a quite unstable phone part and we are still waiting for an updated ROM with fixes.
Oh, and unless HP is using different marketing in other countries, it's the "Business Messenger" not "Business Manager".