Seems a pretty good deal from where I'm sitting.
Screwfix have THREE different showers on offer for £100.
(Less 10% less 8% Quidco (Thanks Darangee. ))
Designed specifically for high-pressure water systems, the Mira Combiforce 415 produces a powerful, invigorating shower without an additional pump. It maintains a constant temperature by compensating for changes in water pressure, to give you a consistent, enjoyable showering experience every time.
Surface-mounted or built-in models - option of rigid shower head with built-in version
Built-in model with Rigid Shower Head
Mira Response shower head, with three spray patterns: Start, Champagne, or Massage
Push-button override for an even hotter shower
Shower set built-in with slide rail in chrome.
Powerful, Invigorating Shower without Additional Pump
Operating water pressure 1.0-5.0bar. Flow rate 15Ltr / min. Exposed Valve Pipe Centres: 153mm.BIV Pipe and BIR Pipe Centres: 132mm
Go here for the selection.http://www.screwfix.com/search.do?fh_search=mirashowers&ts=46324