I have a Husqvarna rear tine tiller with a Honda engine, and it's the cat's meow for most garden jobs. The gears allow you reverse the direction of the tines so you can either heavy till or light till. I've still got my old front tine tiller that I've had for 25 years, and use it only to lay off my rows.

Also have a 4 foot 3 point hitch tiller that I can use on a little tractor if I want to do a lot of tilling.