As expected, iPhone OS 3.0 Beta is now out in the wild and available for download on bittorrent sites and will soon make its way to popular file-hosting and sharing sites like Rapidshare, Megaupload and Mediafire, the BETA preview is meant for developers and need an iPhone 3G registered as a developer handset to work, which means you need to pay $99 to Apple for an Developer account to test this out, if you upgrade without the developer registered iPhone you will get locked on the emergency screen, as already confirmed by the iPhone Dev Team this latest release is jailbrekable on all devices and a custom IPSW is expected to be released soon which might get installed on non-developer registered iPhones.