Fortunately I passed the exam last night . Eureka! Quite a lot of panicking  when I realised I had nothing to revise against, then 6 hours studying from 9-5, but then I do use Marketo 6 hours a day.

Tips:
•You need to know your reports in particular the Web Activity / Landing Page; Lead Revenue Stage / Status
•You need to know tokens and hierarchies
•Engagement campaigns are vital and Smart Lists/Campaigns

Result!

Please also see this discussion for the new links to Pardot Certification Training  Certification Exam Study Guide?