Can you rush editing?

When Playscripts bought The Love of Three Oranges, I only had about a week to do the revisions for them to ready it for publication (because I was on vacation for the rest of the time they would have given me) and, though I was terrified I wouldn't get it done in time, I whipped through it with no problem.

But take Mistress Novel. I finished the first draft on November 30th, 2009 (Thank you, NaNoWriMo) but it wasn't revised enough to show to beta readers until April 9th 2011 (I only let beta r...