The Wii MotionPlus accessory that Nintendo promises will deliver more precise motion control hits retail in June, says the company in a release. The remote accessory will release on June 8 for $19.99. The first games to use the add-on will be Electronic Arts' Grand Slam Tennis and Tiger Woods PGA Tour 10, both of which arrive a week later. As for the sequel to Nintendo's highly-popular Wii Sports, the company has also revealed Wii Sports Resort will ship on July 26.