You've passed through PayPal and the transaction's been completed. Log in to your PayPal account to view the transaction details.
Tickets are automatically sent out via email, so you should get this within the next hour, along with your PayPal transaction confirmation.
(As ever, please have a look in your spam folder first if it doesn't seem to have arrived. Contact the shop if you have any queries - as long as your payment's gone through, we'll have a record.)
We look forward to seeing you on the day!