https://store.sonyentertainmentnetwork.com/#!/en-us/search/q=final%20fantasy%20xiv
And here is the link to the beta forum thread about it: http://forum.square-enix.com/ARR-Test/threads/98364-PS3-Digital-FFXIV-ARR-up-for-sale
Note that the digital Collector's Edition only includes the in-game items, not the physical ones. Added "pre-order" in the thread title to avoid confusion.
Edited, Aug 13th 2013 2:38pm by Atkascha