• Disklavier 2.0 - $10,000 to $80,000 - Grand piano's brand new software streams digital player-piano songs over the internet, for a live piano via net radio. PDA remote operates over Wi-Fi.
• EZ-200 Keyboard - $150 - Learning keyboard for kids. Like many, it has light up keys to show you where to put your fingers. But this one will wait for you: it eases the tempo of the song down automatically to match your playing.
• Modus H01 - $12,500 - Sexy "velvet rouge" reimagining of the traditional piano. It's electronic, but with a natural feel. It contains a 40-watt sound system, and also comes in "amber glow" and "deep brunette."
• Clavinova CVP400 - $TBA - Do-it-yourself Barry Manilow workstation: sing into the mic while you play, and it automatically mixes voice and piano into a WAV that you can save on USB thumbdrive.

With reporting by Jennifer Hooker

Well, almost. It's a bit different because it's based on an invention by Leonardo da Vinci, a continuously variable planetary (CVP) drive called the NuVinci CVP. What the heck is that? You still have to shift gears, but the response is instant, and there's no clanging or clicking involved whatsoever. That bike pictured above isn't cheap; you'll pay around $3,000 for one. Jump to see a video showing how the CVP drive works.

The CVP drive will be available as a kit for other brands of bicycles later this year. – Charlie White

Product Page [Ellsworth Bicycles, via OhGizmo]