Updating your bath is a great investment that doesn't have to cost a fortune.  You can flush out lots of possibilities for an inexpensive shower with this tip:  While fiberglass and ceramic tile are traditional choices for showers, new solid surfacing materials like Corian are now available as tub and shower enclosures.  Corian is durable, easy to maintain and can be installed at a fraction of the cost of ripping out and replacing more traditional ceramic tile walls.