The Power Smart PS10 Chipper Shredder is what you need for your small yard. It can mulch at a ratio of 20:1 and it is very easy to move around. It effortlessly shreds leaves and twigs. Check out my review.
Riding mowers and lawn tractors - do you even know what you need? They are similar save for the location of the cutting deck. They are great for lawns half an acre in size or more. Read more about the difference between the two mowers.
In order to determine the kind of riding lawn mower you need, you have to get to know your yard a little better. Then you get into the specific technical details of the mower that will be right for your lawn. Check this guide to buying a riding lawn mower.