Hi Nomad48,
In your initial post in this thread, you stated that your next Official GMAT was scheduled for September 2nd - but if you've rescheduled it for just 2 days from now, then I agree that you should NOT take any additional CATs/mocks at this point. In these last couple of days, you should limit your studies to general practice and light review (NO CATs and NO 'cramming') - you would be better served by getting some extra rest so that you can go into Test Day calm, clear-headed and ready to work.
This recent CAT result is in-line with your Official Score from earlier this month, so it stands to reason that your current 'ability level' is in the mid-600s. You're actually closer to a 700+ than you probably realize, but that Score Goal will require that you make some fundamental changes to how you 'see' (and respond to) the Exam - and 1-2 days is not enough time to properly make those changes. After you've taken this next Official GMAT, you should post back here with your Scores (or you can feel free to PM me directly) and we can discuss the results.
GMAT assassins aren't born, they're made,
Rich