Stereo Bluetooth Adapters for Mobile?

I am looking around for a good bluetooth adapter for my android phone. Something I can plug a set of stereo headphones into so it will stream music to then but also be able to pick up calls.

So far I have seen the Antec AMP Gain It looks about perfect but are there any other options out there? The gain for what it is seems a little expensive.

I have also heard of Ribbon Looks really classy but is yet more expensive and seems to only be in America

I am in Ireland for currency and delivery info.