Consider pairing it with some other upgrades. How are your cabinet faces & paint? What about the lighting? Floors? Appliances? Don't assume that counters alone will add any value to your home.
I think that is about what we paid for the fabrication and install in our kitchen. The total for install was $30 a sq ft. Granite itself is not as expensive as it seems, although it is marked up 75-100% even before install.
Sonny with Sonny Houston Services. His number is 281-831-8928. He did tile flooring, a new shower, and granite after the floods at my in laws house. He also did our granite in our kitchen.