There are three basic styles of tile saws.  Each kind has its own forte.  There are small fixed tray saws, sliding tray saws, and overhead rail saws.  Each one of it has its own advantage.  Choosing the kind of tile saws depends on the kind of material you want to cut.

If you prefer a light, cheap tile saws that will be just perfect for smaller jobs, the small fixed tray saws is the perfect choice.  It makes use of smaller blades which are more economical.  The sliding-tray tile saw is intended for professionals.  It offers quick cutting and can accommodate larger tiles.  Overhead sliding blade from the name itself is an overhead rail saw.  It provides no restriction which makes it perfect in cutting very wide materials.