If you are just looking to try out cleaning using steam. The Designer Habitat Steam Mop is a possibility as a starter steam mop.
It works by converting water into steam. Using steam gives a better cleaning power than just using a mop and bucket.
The microfiber pad absorbs the dirt and grease released by the steam.
As you are only using steam. Ther is no need to use detergents and so saving money and the environment.