Michael Roopenian’s Engrain is a prototype keyboard with keys made from a single plank of sandblasted wood. The consistent variation of the ridges on the keys makes it easier to touch type.

The Brydge has a full-sized keyboard, speakers, a clamp that holds the iPad firmly in place and an aluminum body that makes it look like an Apple product. It’s certainly got the price tag of one.

The Matias One mechanical keyboard lets you switch between typing on your computer and on up to two mobile devices via a USB dock and via Bluetooth. It also has two built-in USB ports.

The popular mechanical keyboard finally gets a Mac version. Aside from clicky Cherry MX key switches, the Model S Pro has Mac-specific keys, two USB ports and sleep and media shortcut keys.

The improved version of BoxWave’s Keyboard Buddy for the iPhone 4/4S now has a backlit keyboard, with better layout and raised keys. Also has a built-in rechargeable battery that lasts up to 2 weeks.

Hatch & Co.’s SKINNY iPad 2 case lives up to its name, integrating a wireless touch keyboard (with tactile edges) that’s just 0.07″ thick, adding much-needed screen real-estate while typing.

The K60 FPS and K90 MMO keyboards from Corsair both have mechanical key switches and aluminum chassis. The K60 has textured WASD and 1-6 keys, while the K90 is backlit and has 18 macro keys.

Designed for playing Star Wars: The Old Republic, it offers a full-color LCD multitouch trackpad and 10 programmable LCD keys above it. A glowing LED border also offers color control. Video here.

While we’re still not huge fans of typing on touchscreens, you’ve got to hand it to Laura Lahti for her thoughtful dual-screen Keyless Lifebook with its fully customizable keyboard and trackpad.

This tiny wireless keyboard is small enough to fit in the palm of your hand, provides backlit QWERTY keys and a trackpad, and works with PC, Mac, Xbox 360 and PS3. Works up to 100 feet away.

Tucker, the schnoodle has a special talent. He can play the piano and sing at the same time. We didn’t say he was good at it. Then again, it’s no worse than watching the first few weeks of American Idol.

The Engage Keyboard from Smartfish is the world’s first keyboard that prevents Repetitive Stress Injury; its patented motion system studies your typing to subtly change hand and wrist positions.

Drab desktop? This colorful LED keyboard has been updated to plug & play with Windows, Mac and Linux – though software control is Windows only. Grab MuSkins to turn it into a music visualizer.

Touchscreen typing not your thing? Keyboard Buddy’s got your back. It’s a case with a slide-out Bluetooth keyboard. It has its own power switch, and lasts up to 45 days on a single charge.

The title says it all for this one. For some reason, Ron Livingston (Office Space) decided to dress himself up as everyone’s favorite musical cat and play a little tune. Yes, it’s as funny as it sounds.

Art Lebedev’s programmable full-color keyboard is incredibly cool. The Popularis has rounded keys and 77% more pixels than the first-gen Maximus. Price/Date: “Less than $1,000. Early 2011.”