Nope not yet. This is why I kept our templates as easy as possible. Mostly because of the horrific html/css interpretation of Microsoft. I'd advise to use EmailOnAcid to check your emails. It also provides feedback for improvements per browser/client/device combination.
I'm having a massive problem with Outlook 2013. There's a hack to make background images work for Outlook, however Marketo seems to strip the information needed for the hack from the template when sending out the email.
I figured a work around that involves a couple <td>'s with set width <div> containers that hold the place on the margins and other areas through the layout. I tried ths instead of using margins. I also figured out that with all the different email clients out there rendering code differently - Outlook - you have to add both HTML styling and inline CSS. That way you cover all your bases.