Got the SM-6 and put 600+ miles on the bike with it last weekend. i like it for the most part. Don't like that it illuminates the left and right blinker instrument bulbs. That's not necessary IMO. The only benefit of having that is that one can tell the level of brightness of the running light settings. Regardless, illuminated left and right blinker instrument bulbs are still useless to me. Taking the pluses with the minuses, all in all it's a good product.
The running lights got many comments from the K1 Club of Japan folks. They liked the fast flash function and the adjustable brightness of the running lights. No comments about the adjustable delay time.