The following is a few system and I was wondering which would be the best to pick up. If I want to replace the cpu I'd pretty much have to replace the mobo as well. But adding storage and ram would be easy.
First System - $1099
Processor: Intel Core 7th Generation i5-7400 Processor (Quad Core, up to 3.50 GHz, 6M Cache, 65W)
Windows 10 Pro
1 TB SATA Hard Drive (7200 RPM)
16GB DDR4 Non-ECC UDIMM 2400MHz (1X16GB)
NVDIA GeForce GTX 1080 8GB GDDR5X
Second - $1249
Processor: Intel Core 7th Generation i7-7700K Processor (Quad Core, up to 4.50 GHz, 8MB Cache, 91W)
Windows 10 Home 64bit English
1 TB SATA Hard Drive (7200 RPM)
16GB HyperX® FURY DDR4 XMP 2667MHz (1X16GB)
Tray load DVD Drive (Reads and Writes to DVD/CD)
NVIDIA GeForce GTX 1070 8GB GDDR5
Third - $1189
Processor: Intel Core 6th Generation i7-6700 Processor (Quad Core, up to 4.0 GHz, 8M Cache, 65W)
Windows 10 Home 64bit English
1 TB SATA Hard Drive (7200 RPM)
256GB PCIe NVMe Drive
16GB DDR4 Non- ECC 2133MHz (1x16GB)
NVIDIA GeForce GTX 1070 8GB GDDR5
Fourth - $1299
Processor: Intel Core 7th Generation i7-7700K Processor (Quad Core, up to 4.50 GHz, 8MB Cache, 91W)
Windows 10 Home 64bit English
1 TB SATA Hard Drive (7200 RPM)
16GB HyperX® FURY DDR4 XMP 2667MHz (1X16GB)
NVDIA GeForce GTX 1080 8GB GDDR5X