If you're into tablets, smartphones or gaming then this week has been rather like a dream - and we don't mean one of those dreams involving your favourite celebrity, a leprechaun costume and a gallon of massage oil. One minute all kinds of technological delights were heading for UK shop shelves; the next, they'd vanished into the ether. U-turns have affected three top gadgets this week: Samsung's Galaxy Tab 10.1 tablet, the Nokia N9 smartphone and Sony's PS Vita handheld. [......]







