Potential specs

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Personally I'd imagine you would be limited quite quickly with the proposed specs.
I'd be looking for at least 16GB RAM (which is near a requirement for 5x WoW these days), Nvidia 1060 6GB (with a preference to even a 1070), and a 4+4 i7.

On the ibuypower configurator, for $1381 I got the following... https://www.ibuypower.com/Store/Inte...7-Configurator

Case :: iBUYPOWER Tt View 21 2x Side Tempered Glass Gaming Case - BlackProcessor :: Intel® Core™ i5-7640X Processor (4x 4.00GHz/6MB L3 Cache) - Intel® Core™ i5-7640X Processor
Processor Cooling :: Asetek 550LC 120mm Liquid Cooling System
Memory :: 16 GB [8 GB x2] DDR4-2666 Memory Module - Certified Major Brand Gaming Memory Free Upgrade to DDR4-3000 Memory
Video Card :: NVIDIA GeForce GTX 1060 - 6GB (VR-Ready)
Motherboard :: ASUS TUF X299 Mark 2 -- 3x PCIe x16, 2x USB 3.1 Gen2, 4x USB 3.1 Gen1, 4x USB 2.0, 2x M.2, RGB [Intel Optane Ready]
Power Supply :: 500 Watt - Standard 80 PLUS Bronze - Free Upgrade to 1000W Standard Power Supply
Primary Hard Drive :: 240 GB ADATA SU650 SSD -- Read: 520MB/s, Write: 450MB/s - Single DriveSound Card :: 3D Premium Surround Sound Onboard
Network Card :: Onboard LAN Network (Gb or 10/100)


So, while $140 extra, it is double the SSD space, double RAM, better gfx card, better CPU.
I'd be inclined to spring a bit more myself and get a better CPU again. The 7800x looks nice, but that may be another $127 too far, depending on your budget.

/e I'd probably also spend some on a more beefy cooler for the CPU. I've recently had a 120mm fail and spew water all over the guts of a machine because it couldn't cope with the heat.