If you are on a budget, your best bet is this Simon Miller Cami Dress. It's a popular piece, while not very pricey. Another strong contender for your wardrobe is this Protagonist Midi Dress. While the price of this item is rather reasonable, it will surely attract a lot of attention. You might also want to consider this Joseph Midi Dress. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.