Nothing wrong with an import. I bought my brand new jap import D40x kit from an eBay powerseller for a staggeringly low price. I've had it over 3 years now works perfectly.
USA to UK plug adaptor £2.50?
stupid plug adaptor apparently the colors are different to
sensor reacts differently apparently
There will be no difference in the colours, or indeed any other aspect of the images. It uses exactly the same sensor as any other s90 from any other part of the world.