I'm gettig less and less confident in this but I'm still going with my main man Microsoft. Destiny will close that gap somewhat at release and the following weeks and the holidays will kill it.
People underestimate the synergies of all the 3rd party games.
No matter what happens, I bet X1 and Wii U will be less than 500k apart on January 1st.
If you demand respect or gratitude for your volunteer work, you're doing volunteering wrong.