If you'd rather not spend much, your best bet is this Vakko Jacket. It's a fantastic piece, while not very expensive. Another great option is this Bagatelle Biker Jacket. While the price is not very high, be sure that this item will become a worthy addition to your wardrobe.
If you're after a bargain, take a look at this Jason Wu Jacket. While the price is very reasonable, this item is an easy wardrobe update. It is also worth taking a look at this Haute Hippie Jacket. It's an attractive option both price and quality-wise.