Feeding our vacuum tube fetish is Tube Delight, a USB "sound card" from the guru of gadget gimmickry, Brando. No, that's not really a vacuum tube inside, it just has that "transparent vacuum tube appearance." Still, you have to admit it looks appealing, especially when stood up straight next as it's plugged into a laptop using its included 90-degree USB adapter.
Besides its appearance, Brando says this $32 USB device is actually functional, providing sound for stereo speakers, headphones, and even has a microphone input. It's showy and appealing, but come to think of it, don't most notebooks have stereo headphone outputs and microphone inputs? If you're still interested, here are two more views: