I've been looking to pick up one of these bundles with 2 microphones for my wife as she's been asking for me to get a karaoke game for quite awhile. I couldn't get Shoprunner to work for whatever reason so I did an in-store pickup.
http://www.toysrus.com/product/index.jsp?productId=10963472
http://www.toysrus.com/product/index.jsp?productId=10963472