I got the Super Mario 3D World and Nintendo Land Deluxe Set from Gamestop today, it came with 5.3.0.
You can check for local pickup and have them hold it for you.
http://www.gamestop.com/wii-u/consoles/super-mario-3d-world-wii-u-32gb-deluxe-console/117284
The only downside with Gamestop is...