It is now possible to order and pay for tickets for J-Popcon 2010, create a profile and go to "My page".
There is now a guide to how you signup here
Direct link: (Requires that you have a login, if not, then just make one)
http://www.j-popcon.dk/login?next=/convention/shop/
Please note that signup for competitions and the cosplay show is NOT open yet, it will come later this week
