I wanted something simple and cheap for a beach wedding I had in Hawaii, the dress wasn't all that important to me and I couldn't see myself spending thousands on a dress I would wear once.
I opted for a simple dress with sheer on the top and I have to say the service i received from luckweddinggowns.com was great. I don't recall being able to enter my measurements I think I just selected a size. It came to my house in Australia within a week and was actually suprisingly nice for $190. I had to have it altered slightly (too long as I wasn't wearing heels on the beach and my tailor said the left side and the right side of the dress wasn't even so she had to fix that, all up alterations cost me $50 so I was happy, and they refund half of the money to cover the cost.)
The quality of the dress I thought was good and I am fairly fussy with dresses as I wanted a simple wedding dress and that is exactly what I received. I also got loads of compliments.