I saw these: Audio-Technica ATH-M50S Professional Studio Monitor Headphones on sale at Amazon US, not sure how good they are, but seem pretty decent and much better price than even the grey import deals on ebay, roughly $105 Australian including delivery:

Amazon.com: Audio-Technica ATH-M50S Professional Studio Monitor Headphones: Musical Instruments

Audio-Technica ATH-M50S Professional Studio Monitor Headphones




Product Features


  • Exceptional audio quality for professional monitoring and mixing
  • Collapsible design ideal for easy portability and convenient storage
  • Adjustable padded headband for comfort during long mixing or recording sessions
  • Frequency Response: 15 - 28000 Hz
  • Cable Length: 3.50 mm




The reviews on Amazon all seem pretty good

Product Description

From the Manufacturer



ATH-M50s Professional Studio Monitor Headphones Straight Cable



ATH-M50s Key Features:


  • Exceptional audio quality for professional monitoring and mixing
  • Collapsible design ideal for easy portability and convenient storage
  • Proprietary 45 mm large-aperture drivers with neodymium magnet systems
  • Closed-back cushioned earcup design creates an outstanding seal for maximum isolation
  • Adjustable padded headband for comfort during long mixing/recording sessions
  • Single-sided straight cable terminates to gold-plated mini-plug with screw-on ¼" adapter
  • Available in black color with coiled cable (ATH-M50), white color with coiled cable (ATH-M50WH), and silver color with straight cable (Limited Edition ATH-M50s/LE)



Clear sound & impressive power handling in a compact, folding design


Audio-Technica has introduced a straight-cable version, ATH-M50s, of its flagship ATH-M50 headphones. Designed to provide an exceptionally natural response for professional monitoring/mixing, the headphones feature a closed-back, collapsible design with 45 mm neodymium drivers, circumaural ear pieces (180° swivel) and luxuriously padded ear cushions. A straight cable at the left earpiece terminates to a gold-plated mini-plug with included screw-on ¼" adapter.
Audio-Technica's sophisticated driver technology and superior components deliver exceptional power handling and very high SPL capabilities while maintaining clarity of sound throughout their extended range, with deep, accurate bass and outstanding high-frequency extension. The headphones feature proprietary large-aperture drivers with neodymium magnet systems for ultra-efficient signal transfer.


Specifications

Type: Closed-back dynamic
Driver Diameter: 45 mm
Magnet: Neodymium
Voice Coil: CCAW (Copper-clad aluminum wire)
Frequency Response: 15 - 28,000 Hz
Maximum Input Power: 1,600 mW at 1 kHz
Sensitivity: 99 dB
Impedance: 38 ohms
Weight: 284 g (10 oz) without cable and connector
Cable: 3.5 m (11.0'), OFC litz wire
Connector: Gold-plated stereo 1/8" (3.5 mm) connector with strain relief and professional screw-on 1/4" (6.3 mm) adapter
Accessory Included: Protective pouch









Product Description

Audio-Technica has introduced a straight-cable version, ATH-M50s, of its flagship ATH-M50 headphones. Designed to provide an exceptionally natural response for professional monitoring/mixing, the headphones feature a closed-back, collapsible design with 45 mm neodymium drivers, circumaural ear pieces (180° swivel) and luxuriously padded ear cushions. A straight cable at the left earpiece terminates to a gold-plated mini-plug with included screw-on ¼" adapter. Audio-Technica's sophisticated driver technology and superior components deliver exceptional power handling and very high SPL capabilities while maintaining clarity of sound throughout their extended range, with deep, accurate bass and outstanding high-frequency extension. The headphones feature proprietary large-aperture drivers with neodymium magnet systems for ultra-efficient signal transfer.