L.
I live on the NW side too. Two places I can tell you to stay away from are Day Nursery at 56th and Guion (my two girls were there and the administration/management is horrible - staff was very unhappy too when we finally left). Also, Small Blessings at 96th and Zionsville. My friend who worked there was fired after missing a week for an out of state funeral and not coming in to work one day because of the flu - and two of her children got sick because of her illness. Not good management on their part either, if you ask me (asking sick employees show up to work).
Good luck with your search!!
I'm not sure how old your oldest child is, but my youngest is 5 and she's at Montessori Academy of Indianapolis. They take children ages 1-9, and their tuition is extremely competitive w/ daycares in the area.