Location: Dulles, Va.

Developer: Buchanan Partners

Size: 670,000 sq. ft.

Completion: Late 2008

Buzz: Construction of the lifestyle center will be followed by development of a mixed-use town center. Over 20 years, the complete development will include 2.1 million sq. ft. of office space, 1.1 million sq. ft. of retail space and 80 acres of town homes and multifamily housing.