X-Wing Coffee Table, by Barry Shields
A linking book from Myst, with a tiny touch screen in it that you play Myst on.
DIY outdoor kitchen - the grey water going into the watering can is an especially nice touch.
Oh, that's clever - "Tie the Knot" Save the Dates
Filling a deodorant container for easy butter application is equal parts awesome and gross.
Laser-cut patterns in nori
$3500 - A working NES Controller coffee table. Maple, walnut, mahogany with really nice dovetail joinery.
Osaka Station has the coolest fountain ever.
Portal's "Still Alive" sung by a 20 watt laser while etching the Aperture Science logo.
Universal adapter set for building toys - Link your Lego, K'Nex, Lincoln Logs, Tinkertoys, Bristle Blocks, and and and.
Casters keep falling off your shop-vac? Use the exhaust to turn it into a hovercraft.
PVC Cucumber Trellis
UP house pincushion
DIY toekick drawer for your cabinets
These Sand People ($49.99) hats are back-ordered, but they'll soon be back, and in greater numbers.
Portrait Projecting Ring - shine a flashlight through the back and project your photo through the lens.
wine bottle candles
Gingerbread AT-AT - complete with gingerbread Luke
A pair of foam balls with black dots on them makes just about anything funny
3D printed Catan tiles from Shapeways - though at $16.25 a piece, that makes the board a little over 300 bucks.
Fat Monkey - made of flip-flops