My family and I always travel to DL the week after thanksgiving and stay for about 9 days (not all in the park), in 2010 we arrived the tuesday after and 2011 the thursday after. In 2010 crowds were smaller, although I don't have much to compare too since thats the only time of the year we go. We enjoyed it, didn't wait in too many long lines, I don't remember waiting over 40 minutes for anything. Although the ones that were (Space, toy story and autopia at times) we skipped or got FP. But nothing crazy. 2011 seemed a little bit busier, but again nothing crazy. I really enjoy going the week after thanksgiving and after reading some threads it does seem like thats one of the slower times (kids back in school from thanksgiving holiday and a couple weeks before winter break) Although, with Carsland open now I don't know how that will after the week after thanksgiving crowds...