Panasonic's not letting us know exactly how cheap it's going with the new DMP-BDT100 Blu-ray player, but with an existing lineup that starts at $399 for the DMP-BDT300 it's not hard to see why it would need a mainstream option to compete with Samsung, Sony and the rest. The DMP-BDT100 still promises high quality playback and Viera Cast features including Netflix, Amazon VOD and Pandora access, but it does it in a smaller, energy efficient package as Panasonic's first single-HDMI out 3D Blu-ray player. It will ship in Aug