RHA SA950i down from £49.95 to £29.95 - got an overall rating of 4.5 out of 5 on Amazon and they're from a British company too which is nice.
From the Amazon product page:
-40mm titanium-coated mylar drivers
-Single detachable fabric braided cable helps eliminates tangling and prolongs cable life
-iPhone/iPod/iPad remote and microphone
-Adjustable chrome sliders for secure and comfortable fit
-Gold plated connections maximise contact efficiency