Thanks all for the comments, of course there is the need to think of very small screens, I hadn't really thought of that though I might be inclined to go for an area of the website focusing on design specifically for hand-helds.

The Wii and other TV type browsers, I hadn't thought of that and could be important as the web site I am working on is aimed largely at the domestic market - though most access remains during work time.

The bbc website remains 800 x 600 ...

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Electricity cost saving, Solar Panel, Solar and Renewable Energy