Slager,<br>They're is about a dozen that I'm personally aware of. All are pretty good (or they don't last) Each has a slightly different area of expertise. <p>For mowing the best might be: Pro magazine. www.promagazine.com <br>(For top quality mowing: www.lazersarebetterthandixies.com) <p>There is a post farther down with a listing of many more. Get them all!