If you're looking for a good deal, why not look at this Armani Collezioni Coat. While the price is very reasonable, this product is an easy wardrobe update. It's also worth taking a look at this Elie Tahari Coat. This item is ultra popular and, just as importantly, not too pricey.
If you're looking at it like an investment piece, then what you're looking for is this Michael Kors Coat. It's more expensive but worth your money.