I took the GMAT 6 years ago with maybe two days of studying and received a 580. I need to take the GMAT in about 6-8 weeks from now and need to get into the mid 600 range (at least). I am not able to take a live course and am looking at online courses. I think I have it narrowed down to Knewton and Manhattan GMAT. My concern about Manhattan GMAT is it seems like it is geared towards those alerady in the upper 600 range. I am wondering if it will be over my head to begin with? Any thoughts?
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