Alot of people have phoned up and been given the 15th as the date. However some have said between the 10th and 15th as the pre order offer has now been removed from their website.
However the game.co.uk keys have already been released, and some people have cancelled their play order and got their advance key through ordering on the funcom website.
48 hours is less than reasonable for downloading 10+ gigs imo, especially as most people wont be able to start until thursday night due to work.
Especially since you have to reinstall after the launch.
How come ?
It's not only PayPal, you can pay with normal credit/debit cards like VISA and Mastercard.