If you like the roadie scene, the Stagemeister contest not only wins you a Simple Plan tour but is loaded with loot including a MacBook, Sony HDR camcorder and Sennheiser headphones.

No, he’s not on crack: Theremin-master Greg uses a mic buried into headphones along with his hands for pitch and volume to create a trippy version of the Portal song via Rock Band.

Talk to people nearby you without removing your bluetooth headphones with Altec Lansing’s Backbeat 906; they use a separate “OpenMic” that pipes in sound from the outside world.

With gigantic transducers, uncovered earcups and Alcantara ear pads, Sennheiser’s HD800 headphones promise high fidelity natural listening–and make you pay out the nose for it.

We’re really digging these WeSC Bongo headphones, available in Sweden with Nokia 5220 and 5320 cellphones. You can also get the Bongos a la carte, albeit with different colorways.

Proporta’s Gadget Bag comes apart like a pack of Constructicons, with three compartments that actually separate. Each has an aperture for headphones and cables to snake out.

Made by Sleek Audio, Kleer is a wireless transmitter that hooks up to their existing SA6 headphones; if the batteries run out, simply remove it and hook the SA6 back to its original cable.

Renowned for their headphones, Sennheiser’s VMX Office bluetooth headset can switch between desk phone, cellphone and PC with the touch of a button; its range is 35 meters.

Ion Audio’s iCue Mixer is a compact, entry level system for those wanting to mix MP3s from their computer. We do recommend a 3.5mm Y-splitter for your headphones, however.

Cerulean’s F1+TX takes your iPod wireless. The F1 is a pair of stereo bluetooth headphones with 10m range, while the TX can wirelessly connect either the headphones or a dock to your iPod.