Use code GUARDIAN for 10% off the preorder price. Brings the price down to £34.15. Link for the deal goes to the PS4 version. Link for the XO version is below:http://www.thegamecollection.net/destiny-the-collection-xbox-one.html
Cheapest place I've found so far for the whole lot which is what I'll be picking up on Tuesday as I haven't played since trading in the original release about 2 weeks after it came out.
Code is valid until midnight on the 16th