I would save your $ on outsourcing and at least start with this guide for Marketo - (click here)

The Marketo-aspect isn't necessarily as important as the automation concepts shown in this book. It would give you an idea of how to nurture leads, score prospects, etc.,

Def worth the 5 bucks !!

Once you're ready to upgrade to Marketo - check out this ebook for your MOPS team(s)

here's an AWESOME ebook regarding marketing automation & Marketo programs. It helps put into perspective how other tools (pardot, Eloqua, etc.) typically function, obviously with the exception of some of the premium features to know about