Best Bluetooth Stereo Headsets

[SoupNazi]

Can anyone recommend a good bluetooth stereo headset? I'm looking for one with good sound, lightweight, stays on while running/exercising, and is comfortable to wear for an hour or two.

So far I have found that the 'DJ' style full headsets are too bulky for running and activities. The behind-the-head style are terribly uncomfortable with an inflexible plastic ring the connects the left and right and digs into your head.

The ear-bud style don't stay in the ear well during moderate activity.

There might be some good exceptions to the list above, but I haven't found one yet.