I really like this tile cutter. You have to work on the suction part, but it will suck. I don't like the plastic part because when you cut it it starts to eat away at the plastic. Also, it's great for cutting holes in tiles for the work I'm doing!
Pros
WIDE APPLICATION - This diamond coated core bit can be used to remove rings from glass, marble, tile, ceramic, PVC and other materials. When the diamond bit is working, keep adding water to slow down the drilling speed, reduce the drilling pressure, and increase the lubricity of the water, greatly extending the life of the bit.