Dined with a group of 8 at 2941 last night.
The decor is lovely. As others have reported, it's unexpected to find a view of a koi pond and forest in a Fairfax County office building. Very high ceiling keeps the noise level low (except that the fire alarms throughout the building went off about 10:15 as we were getting ready to leave).
The service was professional and attentive. Our server clearly knew the menu and explained the choices with enough -- but not too much -- detail. The pacing was, I thought, too slow, but others thought it was fine.
As for the food, I'd say there were two standouts and a number of dishes that fell just a bit short. The exceptional appetizer was called "Black truffle love letters" -- soft squares of fresh pasta with a filling/sauce of a generous amount of truffles, mascarpone and parmesan. The exceptional entree was venison loin -- it was tasted around the table.
The near-misses included the caesar salad -- fresh and crisp but ordinary; the crispy sea bass which had a lovely accompaniment of minced vegetables, but was crispy to the point of being overcooked; and the beef tenderloin steak, which I also thought was ordinary. The steak was listed as coming with a "stuffed" Yukon potato, which turned out to be a tiny casserole with mashed potatoes under a cheese topping.
For dessert I had the "banana upside-down cake" (banana bread-like base, coconut tapioca, caramelized bananas and pistachio ice cream) which I thought had too many different flavors. The chocolate cake got mixed reactions -- some like it, some felt the bittersweet chocolate was too bitter.