Well Jon's comments on carrying books around were directed at me and I happen to agree with him. Having an eBook reader is a fair bit more convenient than carrying books around. Especially as I get a bit annoying when my books get creased and frayed from bouncing around in a bag.
Had I vast amounts of money, I'd have imported a Kindle already. But for someone on a modest income, the initial cost of £200, plus re-buying any book I already owned I wanted to read on it, with practically no saving on new books... Hell forget all the rest, £200 alone is too much for a slight increase in convenience. It's the price of 40 books.