Players from Samsung and Pioneer will not hit the shops until September, while Sony claimed that its BDP-S1 Blu-ray player will be out in August.
"I think Sony has missed the ball in that the PS3 is not really a next-generation games player, it's a next-generation DVD player," Thompson told the Spong games review website.
"That's great news for Microsoft, because we think we make the next-generation games console."
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