This is too frustrating. Search by title, browse by genre, get your DVDs delivered free. Includes E-brochure mailing list. DVD Express - Good US import site for region 1 DVDs. Registration required in order to purchase online.
Delivery can take time, though.
If you want to see what the site has to offer, click on the part directly underneath the search option, which says 'Show you around'. A wish-list lets you keep track of DVDs you want but can't afford yet. Buy a modified DVD player that will play any DVD regardless of where it was made. Now you can buy US-made products. Also sells films.