Here a roundup of today's reviews and articles, including AMD Radeon R9 290X Versus NVIDIA GeForce GTX 780 Benchmarks, SteelSeries 5Hv3 Gaming Headset Review, Corsair RM Series 750 W, Apple iPhone 5s Review, and The Workstation & Server CPU Comparison Guide Rev. 6.4  AMD Radeon R9 290X Versus NVIDIA GeForce GTX 780 Benchmarks and more