If you're looking for an affordable item, your best bet is this French Connection Shift Dress. It's a popular piece, while not very expensive. Another strong contender for your wardrobe is this Free People Shift Dress. While the price of this product is competitive, it will certainly attract a lot of attention. You might also want to consider this MLV Shift Dress. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're a bargain hunter, consider buying this MLV Shift Dress. While the price is very reasonable, this item is an easy wardrobe update.