Replacing a shower is a big decision as it can involve a lot of work. If you can, it is usually best to integrate it with a whole bathroom refurbishment.
If you do plan to go ahead though and are looking around for parts, we sell a pretty good range at http://www.showerenclosuresdirect.co.uk
Shower Enclosures Direct
May 2010
depends on your situation.
would you change it yourself ?
pipework may need altering.
cost of a new shower.
im not a fan of the lower end range of electric showers.