I second Zionsville, Greenwood, and Plainfield for all the reasons listed above and more. Greenwood traffic is a nightmare alot of the time though, as is traffic coming in on 40 {Plainfield} during rush hours and with the ongoing construction on the interstate system, alot of the time during non rush hours as well. I love the 'feel' of Zionsville more than any of the others and it's possible to make it to most parts of downtown in under 40 minutes most any time. The extra 10 minutes is well worth the area, IMO.
About an extra 5 minutes would put you in Danville.
http://www.danvilleindiana.org/ I am biased because I worked on the Avon/Danville line for what seems like a lifetime, and grew up spending every Thursday of the summer and most Friday evenings in Danville from the time I was in second grade, but I love Danville. The square is beautiful, the majority of the people are polite if not actually friendly, it's an active community with good schools and a large variety of worship centers. {and an easy commute to a ton of other worship styles/denominations not found inside the town limits}
You mentioned prejudice. It's not as super-diverse as say Bloomington or Indianapolis, but for the most part the people are mature and see a person for who they are and how they treat others, not color or nation of ancestry or origin. As there is almost everywhere, there are people who are intolerant of anyone who looks, talks, dresses, worships, or even breathes differently than they do. By and large though the locals are not that way. MikiJayne can help you with the market surveys and stuff in this area and probably has the more current list of local points of contact than I do.