Hey Jeff,
At this week's Marketo Summit, we launched a new product called Knak.
Knak allows Marketers to quickly and easily build responsive email templates for Marketo, with no coding required. You can customize them with your colors, brand and social links and make a template in under 5 minutes.
I'd encourage you to try it out for yourself. Just go to
www.knak.io. You can build your first template for free, to get the full experience.