Exactly. It wouldn't surprise me if the growth in revenue was just more of the remaining holdouts from CS6 (and earlier) finally agreeing to the price increase

Exactly. It wouldn't surprise me if the growth in revenue was just more of the remaining holdouts from CS6 (and earlier) finally agreeing to the price increase (by upgrading). CS6 (the last version you could purchase) is nearly 4 years old now. I didn't upgrade from CS3 (or 4?) until last year.