Soon!
The formal release date of info is Feb. 28th, so serious reviews etc. should start popping then, official hard launch release date March 2nd.
Reviews after "NDA" lift (march 2nd or feb. 28th, who knows).
AMD Ryzen 7 1800X review: Good, but not for gamers
Assorted leaks/gossip
(wccftech seems to have had a strong interest in this processor, so I've been keeping an eye on them lately, despite the slightly odd reputation)
AMD Ryzen 7 1800X Breaks Cinebench R15 Multi-Thread World Record – Overclocked to 5.2 GHz on All 8 Cores With LN2 Cooling (wccftech)
Ryzen 7 1800x Benchmark leak (wccftech)
AMD Ryzen 7 1700X Processor Tested And Pictured – Blows Away Intel’s $1000 Core i7 5960X (wccftech)
CPU competition at last: AMD Ryzen brings 8 cores from just $329 (arstechnica)
AMD returns to high-end gaming CPUs with Ryzen 7 (engadget)
Live benchmarks: AMD Ryzen vs. Intel Core (pcgamer)
AMD Ryzen 7 prepares for worldwide launch on March 2 (PCgamer)
AMD’s Mainstream Ryzen 5 Processors Arrive in Q2 2017, Ryzen 3 Quad Cores Arrive in 2H 2017 – Fastest 6 Core Ryzen 5 1600X Confirmed, 69% Faster Than i5 7600K (wccftech)
AMD Ryzen pricing: £500 for 8-core 1800X CPU, undercutting Intel by £600, Ryzen will be aggressively priced, and AMD claims it can retake the performance crown. (arstechnica.co.uk)
AMD Ryzen 7 1700 Overclocked To 4GHz On All 8 Cores – Provides 1800X+ Performance With Decent Motherboards & Cooling
On motherboards:
Motherboard Info (wccftech)
Asus Reveals Four New AMD AM4 Motherboards For Ryzen (tomshardware)
Which ASUS AM4 motherboard should I buy for Ryzen? (Asus themselves, pinches of salt galore!)
Biostar Prepares For Ryzen With New AM4 Motherboards (tomshardware)
Cooling information:
Noctua Preps For AMD Ryzen With Three New Coolers
On Memory support:
AMD Ryzen supports DDR4 3600 MHz memory (videocardz.com)
The release event: