Not a big fan of the apple earbuds. Cost to have the combined by ultimate ears was $40.. decided to do it myself since I got the ER6i's for only $50
Some good disassemble pics online
http://www.flickr.com/photos/jeffb/sets/72157603634649836/with/2168250090/
and a DIY guide
http://www.instructables.com/id/How-to-hack-an-Etymotic-ER-6iPhone-Headset/
The most difficult part of this is knowing you might mess up two perfectly working headphones. After that its pretty easy except for getting the right wire length on the inside, and then heating the clear shrinkwrap
My results
Some good disassemble pics online
http://www.flickr.com/photos/jeffb/sets/72157603634649836/with/2168250090/
and a DIY guide
http://www.instructables.com/id/How-to-hack-an-Etymotic-ER-6iPhone-Headset/
The most difficult part of this is knowing you might mess up two perfectly working headphones. After that its pretty easy except for getting the right wire length on the inside, and then heating the clear shrinkwrap
My results