Mackie Reference Multimedia Monitor Speakers (Pair) + Sony MDR-V6 Studio Monitor Headphones: CR3 3" $127, CR4 4" $154

Professional-Style Headphones for monitoring your recordings, high-fidelity listening
Circum-Aural Design reduces noise from the outside world
Oval Earpads for extra isolation
40mm Diameter Drivers to provide wide surface area for superb dynamics, deep bass down to 5 Hz
Oxygen-Free Copper Litz Cord for maximum conductivity, minimum noise
Copper-Clad Aluminum voice coil wire for low mass, high heat conduction; provides superb power handling
Wide, Padded Headband distributes the headphone's weight over a wide area; reduced pressure means comfortable listening for hours on end
Folding Design for compact storage, easy portability
Rugged Design for heavy-duty use
Sony UniMatch Plug with fixed mini plug for portable use and detachable phone plug for home hi-fi use