Las Vegas Review-Journal – Catch a glimpse of it in a crowded casino and Bally Technologies’ “Michael Jackson Wanna Be Startin’ Somethin’ ” slot machine is striking. It’s tall and housed in a sleek black case, with stereo speakers placed in the connected high-backed player’s chair and classic video of the late pop star playing on high-resolution screens. Impressive. Now take a look at that same slot machine in the uncrowded lobby of Bally Technologies’ Las Vegas headquarters. There, amid comparatively uncluttered surroundings where the lights and the sounds of the casino are absent and the giant machine can breathe,…