If you're on a thrifty mission, why not take a look at this BCBGeneration Kimono. It's a popular product for a reasonable price. In this price range, you can also take a look at this 1 STATE Kimono. It's an item you'll fall in love with which also doesn't cost a fortune.
If you have enough to afford it, then you absolutely must check out this Helmut Lang Kimono. This piece seems costly, but it's well worth it.