After buying two different version clone bands, I finally decided to go with the real thing. Bottom-line....there is no comparison between the clones and the official Apple band. The attention to detail, fit and finish is superb. It is also noticeably lighter than the cheap steel used in the clones. One test I did was simple....run your finger along the band when on your wrist and the links meld perfectly from watch to clasp it feels like a fine piece of jewelry. The clones all feel rough and don't flow into each other, particularly at the clasp.
Frankly, it was worth every penny.