http://www.amazon.com/Sennheiser-CX300-B-Earbuds-Black/dp/B000E6G9RI
these sound great and are what I use.
Also, for controlling ipods while riding, I have an arm band with the controls on it and can change song or volume from there, it goes wirelessly to my ipod.
my trails are pretty empty, so I blast the metal all day.:AR15firin