There's a fascinating discussion going on over in MoDaCo's forums today suggesting that Dell Streak units that were given out recently as part of the company's US beta test in and around Austin, Texas are no longer functioning on AT&T, the result of an apparent IMEI block; voice calls placed from the devices all get re-routed to AT&T customer service, and 2G / 3G data doesn't work at all. Our understanding is that beta testers were allowed to keep their units after the conclusion of the test period -- some of those ended up on eBay, naturally, so you can imagine that buyers are probably feeling a little steamed by this. One user has had luck with data by using the iPad's APN and pla
