Visiting T-Mobile's site still gives you a disheartening "Coming Soon" when you click on the 8900, but it seems that at least a few folks have badgered customer service reps just enough to get 'em to drop the newest Curve in the mail. The official date for consumers is still February-ish, but this dovetails nicely with talk that suits would be able to latch on to one a few days early -- so, you know, just tell 'em you're with Callahan Auto or Initech and see how far you get.
