That's compatible with all headphones, like the Sennheiser PX100, so that's it's flush with the surface of the iPhone?
http://store.apple.com/1-800-MY-APPLE/WebObjects/AppleStore.woa/wa/RSLID?mco=DBA24138&nplm=TN546LL/A
something like that, that doesn't stick out anywhere near as much?