Also, you need to factor in import duty and taxes, often they bring it very close to the UK price. I was wary, but did go for a grey import in the end, going with DigitalRev and got the MkIII, with battery pack and spare battery for £500 less than retail. During the buying process, they state that any duty will be charged direct to them and from their reputation, I was more confident about their warranty. The downside though, which I didn't factor in, was the ability to claim back a tax refund at the end of year, but that would depend on how much I sold and how much gear I bought anyway. The year before last, I was able to claim back a few hundred, last year it worked out I had to pay an extra couple of pounds.