I'm running HorseClicks, a horse website featuring horses for sale, stud, trade and lease. The website also offers comprehensive listings of horse-related equipment such as saddles, tack, trailers and horse real estate listings of farms and land for sale. A complimentary directory of horse-related websites is also a nice feature that is beneficial to all equine website owners.

I'm also managing:
http://www.tagged.com/horseclicks
http://www.ryze.com/go/HorseClicks
http://www.plurk.com/horseclicks
http://www.last.fm/user/HorseClicks
http://horseclicks.blogspot.com/