Toshiba's Regza AT300 tablet for the Japanese market delayed until late July, will ship with Android 3.1

To any of our Japanese readers who've been impatiently awaiting Toshiba's Regza AT300 tablet, you're going to have to hold your breath a touch longer. The 10.1-inch, Japan-only slate is going to miss its expected June arrival, and ship in late July instead. That extra tedious trip to market could be worth it, though: when the AT300 finally does land in Akihabara, it'll come with Android 3.1 and