Where can I find additional 2013 CFA Level I Mock Exams?

I would like to do at least one other Mock Exam before Saturday, if anyone can send me the link it would be great! Thank you!

Also, what would you say is a % I should strive to get on the mock to reasonably believe I will get the CFA level I (provided I do the same then) ? I have read 70% overall a lot and I was just wondering if getting 70% on the Mock Exam should be a good score to reasonably believe I could get the level I.

Thanks!