If you are looking to buy a awesome Collectors Edition for God of War III then look no further then the God of War III Ultimate Trilogy Edition. This package in available in Europe, Australia and New Zealand, and it contains a lot of stuff.
When opening your future God of War III Ultimate Trilogy Edition you will find a copy of God of War III, a copy of God of War Collection (1&2 remastered), a sculpted replica of Pandora’s Box, a God of War Trilogy sound track on 3 CDs, an art book, post cards(!), and of course a big super awesome box.
On the DLC side you will get plenty of additional content including four character skins, God of War Combat Arena which has an exclusive enviroment and 7 challenges to beat, and the God of War: Blood and Metal sound track.
The God of War III Ultimate Trilogy Edition will only be available participating retailers, so be sure you preorder the right item and not just your standard copy God of War III. No pricing details were announced.
(Source: PlayStation Blog EU)