Avoid the outlet shops. Too crowded.
Here are some links -
Freeport, ME -
http://www.freeportusa.com/
North Conway -
http://www.northconwaynh.com/
White Mountains -
http://www.northconwaynh.com/
Enjoy!
Fall is a great time to go to Maine, The crowds and the traffic are much better. Also hotels and motels are at discounted rates.
If you_re going up there to look at leaves go soon. They were already changing as of last week.