A friend of mine, and a few girls here had recommended I check out Lingerie by Susan in Edison, when looking for a bustier.
I went with my mom and sister, and it was great!
They measured me and found a bustier I loved and fit great, on the 2nd try! (I'm normally a size 38DD).
My sister opted for a regular strapless bra, which she always has a hard time finding one that fits right and stays up (she's a 32 c).. But they found her one she loved as well. She also got some spanx.
My mom also found a bustier she loves (she had never worn one before and was worried about it).. and she got spanx too.
It is great because you can try on all of the spanx there and figure out exactly which ones you want.
I didn't buy any Spanx yet, still deciding what I want to do about them.. but I highly recommend the store if you are looking for a bra, bustier, or spanx/shapewear!