If you are looking to buy a house, try butler county. or karns city school district.
Armstrong county property taxes are pretty much the highest around. I am going to try and find some land in the karns city school district in a year or two and build somewhere in the chicora, sarver, fenelton, cabot area.
Its really not that bad from Kittanning to Pittsburgh. Closer than Uniontown and a lot of the people that live south of the city. If I can find something in Freeport, thats only about a 20 minute drive to downtown. and 28 is pretty much a straight shot right into the city.