Legacy Sports keeps teasing us with a 9mm version of their .22LR M1 Carbine. By all accounts it will be offered in a wood and synthetic stock and will feed from Beretta 92 magazines. No word yet on delivery time or MSRP but the best guesses are Late 2013 or Early 2014 between $350-$470.
Not going to lie; I kind of want one. The Firearm Blog has a few more details.