Wireless Xbox 360 mic coming this Fall

Coming this Fall from Microsoft is a wireless mic that’s compatible with Lips, Guitar Hero Metallica, Rock Band 2, Disney Sing it: HSM 3, and the upcoming Lips: Number One Hits and The Beatles: Rock Band. My guess is the mic will launch just before or at the same time as The Beatles: RB, but what do I know? Look for the wireless mic to retail for $50.