Walmart offers the Yamaha 76-Key Portable Keyboard for $209.42. Choose in-store pickup to drop it to $139.61. (For Prime members, Amazon charges the same with free shipping.) That's $50 below our mention from last month and the lowest price we've seen. (It's the best deal now by $85.) It features a 12-watt amplifier, 2-way bass-ported speakers, 6-track sequencer, and USB. It requires six D batteries or an AC adapter, both sold separately.