Here's what's under construction in the Merrifield Area:
UNDER CONSTRUCTION
Mosaic District
Renderings, Fly-Through, and Site Plan
http://www.mosaicdistrict.com/viscent.htm
Halstead Mixed-Use
Renderings (as up to date as I can find) under "Halstead Mixed-Use"
http://www.sbaranes.com/
MetroWest
Website
http://metrowestva.com/
Better Renderings on Page 33
http://www.slideshare.net/nvar.com/f...a-presentation
^That link also has information on many other projects in the area.