Amazon seems to be the only holdout. PS4 ahead of XB1 everywhere else.
Best Buy: http://tinyurl.com/lmz5wg4
Walmart: http://tinyurl.com/nyjgg92
Target: http://tinyurl.com/msa56wf
Gamestop: http://www.gamestop.com/browse?nav=2b60,28-xu0,134f
I think people really like having physical items in with their deals, which may be helping in the X1's case.