Hi a03,
About 5 months ago (in March), you posted that you were planning to start your studies - and that you would be 100% focused on your studies from June to August. How did you actual studies during that time end up? What type of study routine did you follow and what study materials did you use?
If this is the only practice CAT that you've taken, then we really don't have a true assessment of your current skills, strengths and weaknesses. Considering the limited study timeframe you're discussing, you're going to have to be really organized and committed during these next 7 weeks to hit your Score Goal. As such, I strongly recommend that you take one of the Official GMAC CATs this weekend and take it in a realistic fashion (take a NEW CAT - one that you have NOT taken before, take the FULL CAT - with the Essay and IR sections, take it away from your home, at the same time of day as when you'll take the Official GMAT, etc.). Once you have that score, you should report back here and we can discuss how best to proceed.
GMAT assassins aren't born, they're made,
Rich