Refine dialogs

@cleercode, PTAL: a follow-up to #2439.

![screen shot 2014-06-10 at 4 27 19 pm](https://cloud.githubusercontent.com/assets/5606182/3238401/d83b3986-f0f6-11e3-9dd9-a81da4fd7e47.png)

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![screen shot 2014-06-10 at 4 26 10 pm](https://cloud.githubusercontent.com/assets/5606182/3238394/a711dcc0-f0f6-11e3-96ed-14366c101f24.png)