Here are some links to some of my favorite sites:
http://www.dreamhorse.com Horses, tack and trailers for sale.
http://www.ebarrelracing.com Barrel racing information, events, news, classifieds.
http://www.horsetopia.com Horses for sale.
http://www.equine.com Large site with horses, tack and trailers for sale.
http://www.agdirect.com Classifieds, ranches and more.
http://www.allbreedpedigree.com Great pedigree research site, lists all breeds.
http://www.aqha.com American Quarter Horse Association official site, pedigrees, info, forms, etc.
http://www.equinenow.com Horses for sale
http://www.mapquest.com Great way to get driving directions to almost anywhere.