T-Mobile's Sidekick trade-in program

All current Sidekick owners received an email yesterday offering them $100 off a new Sidekick II if they trade in their current one. All they have to do is call up a toll-free number, order the new Sidekick, and send back their old one when the new one arrives. What we care more about is that the email explicitly states that current owners are being given the chance to order the new model before it goes on sale, and that the offer ends September 24. Our guess is that the new Sidekick goes on sale by Monday, September 27 at the latest. It possible that it may even happen next week, since offers like this usually have a little overlap with the actual product release.

[Thanks to everyone who sent this one in]