<p dir="auto">The first time I launch the DatePicker the OK button at the bottom seems to be disabled. Clicking outside the DatePicker and then relaunching it the second time has the button enabled.  material-ui v 0.8.0</p>
<p dir="auto">It appears that since I did not specify an initial value for the DatePicker that it picks the current date which is invalid in my use case.  But the OK button does not become enabled by selecting a valid date.</p>
<p dir="auto">If you set a minDate after the current date the OK button is disable and date cannot be chosen.</p>
<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://cloud.githubusercontent.com/assets/2734825/10124774/db944bb8-655d-11e5-8b5a-06e980be0eb8.png"><img src="https://cloud.githubusercontent.com/assets/2734825/10124774/db944bb8-655d-11e5-8b5a-06e980be0eb8.png" alt="schermata 2015-09-27 alle 21 22 09" style="max-width: 100%;"></a></p>