Activity for Danielle

Have an appt Sunday for my very first dress shop experience! eeek!! Ive been prowling around on The Knot and other sites and majority of the dresses i like are Maggie Sottero. BUT..I cant find any pricing! If 3 shops in Pgh carry the same dress are...

I want something kind of like this picture for my beach wedding. Is this not dressy enough? I dont know if should go with a knee length, short, or tea or even long. Ive been looking everywhere for an appropriate shorter dress but all i find are these...