If you're on a thrifty budget, this Dooney & Bourke Tote Bag will fit the bill. It's a popular choice, while not very expensive. Another nice option is this Tote Bag. While the price is rather reasonable, be sure that this piece will become a worthy addition to your wardrobe. You might also want to consider this Calvin Klein Tote Bag. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
For something in the middle of the price range, check out this Sara Battaglia Tote Bag. While the price is very reasonable, this piece is an easy wardrobe update.