Perhaps it is best not to ask how this came about, but you can order the Ryzen 5 1600 and 1400 from eBay.  The seller has an impressive reputation and as Kyle over at [H]ard|OCP has already ordered and received some, this should be a fairly safe opportunity to take advantage of.   The full review has not yet been published but that did not stop them from putting together a quick overclocking video.  If you have 20 minutes to spare and an interest in AMD's new processors you should take a look.

"Much to our surprise, AMD Ryzen 5 CPUs started showing up online for sale last week in North America, so we did what any PC hardware review site would do. We went out and bought four of those and started working on seeing just how much overclocking headroom each of these new CPUs have."

Here are some more Processor articles from around the web:

Processors