Took the Beltway to I-66 this morning on the way out and then took it from the Toll Road to Van Dorn on the way home. Best look yet at the new signs, although I didn't get any pictures (too dark on the way home, traffic on the way out). Most of the signs look pretty good. Ms1995hoo remarked that uncovering them two weeks early is, in theory, a good idea because people can learn where the exits are even if they don't visit the project website. I agree in theory, though I think in practice it won't really work out that way.
What I wish the website had is some more photos, and specifically I think photos of some of the new ramp configurations would be nice. The Dulles Toll Road interchange is the main one where this would help. There are a lot of new ramps there going in various directions and it'd be nice to see some detailed pictures before driving them for the first time.
BTW, since they resurfaced the road it's a much nicer drive. Finally having reflectors as part of the lane markings is long-overdue. Maybe it's a sign of my eyes aging, but I sure like how they make the lane delineations clearer.