Here's the map for the Pittsburgh area.
The top 5 of the most Republican municipalities by vote margin in the state are in this region:
1. Hempfield (Westmoreland) - McCain by 5,604 votes
2. Cranberry (Butler) - 4,219
3. Peters (Washington) - 4,128
4. North Huntingdon (Westmoreland) - 4,099
5. Penn (Westmoreland) - 3,602
The Pittsburgh area definitely differs from the Philly metro area in that the affluent suburbs tend to vote Republican.