If you're in a thrifty mode, your best bet is this Tommy Hilfiger Coat. It's a popular piece, while not very costly. Another strong contender for your wardrobe is this London Fog Coat. While the price of this item is not very high, it will surely attract a lot of attention. You may also want to look at this Tahari Coat. This item is not expensive either, but it will make a difference in your wardrobe.
For something in the middle of the price range, look no further than this Dawn Levy Coat. This item doesn't cost the earth, but absolutely deserves a spot in your wardrobe. Another good option is this Fleurette Coat. It's an attractive option both price and quality-wise. Check out this Cole Haan Coat too! Great value for your money.