Well, some European site has it listed for €649 which is roughly 520 (for the 920). So they may not be priced the way we would prefer.
Wish they would hurry up and confirm UK prices.
O2 and 3uk do often sell the phones outright too on pay and go, they both usually knock of around 50 from the retail prices so bear that in mind too. They do require that a top up is bought at the same time though.