I got a blueprint case with like thief outfit BP, tuxedo BP and molotov BP. Opened the BP case and got the new Minigun 2.0 BP
EDIT: And i had like 20% chance on that xD
You guys should analyze the update announcement thread a little closer. The Item O Matic states that adding more items increases your chances of winning something better. Not that you that you are guarented something better. As with all of these types of things there is always an element of chance.