I get the hype. When you expect "veg*n food," it definitely surpasses your expectations. As just food, it's pretty good.
I had a pho, and it was yummy enough, with plenty of veg and tidbits to nom on. If I were completely vegetarian (as opposed to the cheater that I am), I would probably adore this place for adding some Vietnamese light into my meatless life. As a cheater pseudo-vegetarian (who really enjoys and eats mostly vegetarian foods), I would say this place is pretty good.
Cute little shop, food that is yummy and sustainable and doesn't leave you hating yourself - you can't argue with all that.
I will be back if I want Vietnamese food and am feeling like a responsible citizen.