I just put bar ends on the regular riser bars. Great for different hand positions.

[MENTION=109941]Rob_E[/MENTION] - thanks for the input.

I have not mounted the Randonneur bars yet. I'm thinking they will force me to lean way more forward than I want. Which take me back to the mustache style bars.
I've not got any thumbies laying about, so that brings me to the Albastache - which will accept bar ends, which I do have.

i need a couple of weeks then I'll post some comparisons - or at least try to....