I wasn't able to get in, but I think, after reading the posts in this thread, they foresaw problems with people not knowing what they were doing, etc... I think they may be working on instructions for exactly what needs to be done for adding them to your acct, do you need a PlayNC acct, methods of payment, etc. I think, when it is "officially released", it will also be officially explained as to exactly what we need to do.
This thread is quite an entertaining read for those of us not in game, we see a progression of "OMG, a new button for a store", to "it doesn't work", to "here's a screen shot, you can buy slots now", to "has anybody actually bought one yet ?", to "OMG, the store is gone !!!". Fun stuff, and exciting as I look forward to getting my new slots...
S

He only uses 4 of his 6 now!