The Smashburger is going in Dulles Landing. In addition to that there's going to be Arcola Center as well as Avonlea Town Center. Their pages are:
http://www.dulleslanding.com (Dulles Landing public website)
http://klnbretail.propertycapsule.com/properties/dulleslanding/#overview (Dulles Landing site plans)
http://www.thearcolacenter.com (hasn't been updated in a while, although they are building the town homes)
http://peterson.propertycapsule.com/properties/avonlea/type:Retail/#overview (Avonlea site plans)