I am interested to learn more about pros and cons of SFDC and Dynamics, not so much as it pertains to their integration of Marketo, but overall as CRMs. Thanks!
Not sure on what's the focus of your question, but below you can find a chart with some general comparison of both systems.
If you visit this link you will be able to see more detailed comparisons based on key areas: Salesforce vs. Microsoft Dynamics CRM - 2017 Comparison
I hope this helps you,