Sleeveless Blazers from Amazon.com
If you're not planning on spending much, your best bet is this Glamorous Waistcoat. It's a great item, while not very expensive. Why not also take a look at this Lucca Couture Blazer Vest. It's an item you're bound to love which also doesn't cost too much. You may also want to look at this Nine West Sleeveless Jacket. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for an item in the middle of the price range, look no further than this Vest. This item doesn't cost a fortune, but definitely deserves a place in your wardrobe.