If you're not planning on spending much, you'll appreciate this Hunter Coat. It's a fail-safe choice and a good investment.
For something in the middle of the price range, you're in luck with this Chloé Coat in stock and waiting for you. You most certainly will love this piece. You can also look at this Escada Coat. It's an attractive option both price and quality-wise.
If you're looking at it like an investment piece, then what you're looking for is this Maison Margiela Coat. It's more expensive but worth your money. While you're at it, also have a look at this St. John Coat. Yes, this item is expensive, but it does not mean it's not worth it.