Hi cld238,

You guessed correctly; these tests are meant to provide baseline scores as well as give you a general idea of how much work you have ahead of you. So, don't bother reviewing them.

Cheers,
Brent

Hi cld238,

Thanks for the nice feedback. I'm glad you like the Guide.

I think the Manhattan test provides a good idea of your present skills. So, save that GMATPrep test for another day.

590 is a GREAT starting point. That's a 58th percentile score, so most people never even get a score that good (after months of studying).
It's hard to say what a "realistic" goal is. I've seen people achieve 200-point increases in 2 months, and I've seen people who hardly deviate from their baseline score. It all depends on the learner and how much work he/she puts in.

Over the course of the Study Guide, you'll take several practice tests, and the results will give you a good idea of your score trajectory.

I hope that helps.

Cheers,
Brent