All aboard the Shield Hype Train!!! Choo Choo.

Really though I hope to be able to buy the Nvidia Shield some time today.

And nothing... Except Developer Preview on Nexus Player

if you search for the Shield on Amazon now, it does actually appear (with a dead link):

http://www.amazon.com/s/ref=nb_sb_noss_2?url=search-alias%3Daps&field-keywords=nvidia+shield

edit: looks like i spoke too soon. thanks for the update /u/tyvar1!