This was Carphone Warehouse about a month ago. The display unit you see in the picture is covered with different types of tablet, on both sides. From Aconia to RIM, from Samsung to Asus.
Today, when I went to Carphone Warehouse, there was one tablet on display (a Nexus 7) and the only other with any presence was a Samsung 10″ tablet, free with a contract phone worth £15.50 a month.
In any war, there are casualties. I think the industry is solidifying around a handful of players. And retailers simply can’t afford to invest in every player. They’re going to pick the winners.