The B975 is the keyboard to own if you enjoy competitive online gaming. The Light Strike optical switches give a genuine edge that may not feel like much until the moment relies on it. Bloody also does a great job with competitive quality and features to other mechanical keyboards in it's price range.
The SIlverStone Milo Series ML09B Mini-ITX HTPC does a great job in the HTPC case market. The layout is functional and the price is excellent. If you're trying to build a specialized system in this chassis, you may have to work around some inconveniences and the built in fan could really use a PWM connection.
Multi-GPU is the future and I don't just mean CrossFireX and SLI. We need mGPU on a hardware level to handle where gaming is headed. Ubisoft is helping to pave the way with Far Cry 5 by having excellent multi graphics card support. The R9 290Xs didn't do too bad either!
Sometimes looks are more important than performance, but Raijintek doesn't force you to make that trade. The Orcus 240 is an excellent CPU cooler, and it brings an innovative design to the CLC market. Unfortunately, it doesn't have individually addressable RGB LEDs yet.
Are optical switches the next big thing? Maybe more so for competitive gaming than daily use, but the Gamdias Hermes P2 Mechanical Gaming Keyboard has a great feel for typing with the blue switches. The quality is certainly mythic level and any gamer should consider them as an option.
Finding the best AMD motherboard for Ryzen is tricky right now. Asrock does such an excellent job of having a smooth experience, that combined with good overclocking and features, it is a top pick among X370 motherboards. It's not the best for RAM overclocking, but XMP profiles work great.