If you are on a tight budget, this Forever 21 Shirtdress will fit the bill. It's a great choice, while not very pricey. Another strong contender for your wardrobe is this Shirtdress. While the price of this piece is not very high, it will definitely attract a lot of attention. You might also want to consider this River Island Shirtdress. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're looking for a bargain, look no further than this Pendleton Shirtdress. This item doesn't cost the earth, but definitely deserves a place in your wardrobe.