While many stores across Europe still have Day One editions of the Xbox One available, at some outlets it's already sold out; as Eurogamer notes, Amazon UK only has the Standard edition available. Also, as CVG points out, there's the matter of how many Standard edition pre-orders have already been placed with the FIFA 14 offer in mind, and whether or not they'll receive a free copy of the game as promised.
The miscommunication at Gamescom wasn't limited to Harrison's announcement. Xbox's Larry 'Major Nelson' Hyrb posted a tweet as the announcement was made that specifies "all pre-orders," and has an image of a Standard edition Xbox One attached. Meanwhile, a post on the Xbox news blog reflects that "all pre-orders of Xbox One" ship with the game.
The Xbox One launches in 13 markets sometime this November, priced $500 in the US, €500 in Europe, and £430 in the UK. In addition to including FIFA 14 in Europe, the system's Day One edition extras are a special controller with chrome D-pad (instead of the standard controller), unique packaging, and a Day One achievement code.