Apple has contacted retail stores to prepare for an Oct. 9 launch of the new iPod touch and iPod nano, according to Japanese blog Macotakara. Japanese stores have been contacted about the launch first, Macotakara told iLounge, noting that there will apparently be few units in the initial shipment. There has been no official announcement from Apple as of yet, and the Apple Store still only lists the new iPod touch and nano as available to ship in October.…