so i just saw this... on tours page all european cities say presale where it had said sigup or sign in...
if you click on the presale it brings you to a page that says this..
U2 Fan Club Presale 25 - 26, 29 - 30 Oct, 2 - 3 Nov Description
Buy U2 tickets in the Fan Club Presale.
This is a ticketless entry event for Standing Floor tickets. Standing Floor tickets will be not mailed out, or made available for box office collection for this event.
The ticket purchaser must be present at the time of entry, and must attend the event. To enter the arena you will need to proceed directly to the Entrance F and present the credit card you used to purchase tickets along with matching valid photo ID. Please also have your order confirmation email. You will need to be accompanied by all your guests as you will enter the arena immediately thereafter, and there is no re-admittance. You do not need to go to the box office, simply head straight to Entrance F as detailed on your order confirmation. This transaction is not refundable or transferable. Purchase of a ticket is regarded as acceptance of these terms of entry. All purchases are also subject to the standard terms and conditions of The O2 as detailed on our website.
so whats it all mean guys? :_)