Sorry you had a problem. I had to cancel and order for a case for my iPhone4 prior to my iPad and had no problem. Customer service responded to my email, cancelled the order, and credited my credit card within two days.
After tons of research, I decided on a Boxwave case. They have a plethora of cases to choose from and all are very reasonably priced.
I went with the "Hard Shell iPad Briefcase" for $34.95. It has a handle (you can unsnap it if you don't want to use it). Four elastic corners to keep your...