If you're not planning on spending much, this Kimono will fit the bill. It's a foolproof choice, while not very expensive. In this price range, you can also look at this Vikki Vi Kimono. It's also a popular item and won't break the bank. You might also want to consider this Capelli of New York Kimono. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're willing to splurge, then you absolutely must check out this Fuzzi Kimono. This piece seems expensive, but it's top quality. Another product we're drooling over is this Michael Kors Kimono. It's pricey but you get what you pay for.