hey bro, are you into video editing? if you're only going for pure gaming, I'd suggest an i5 6500, or a 6600k If you want to keep the h110i, and you should spend more on the GPU.. if you're into editing and gaming, you might wanna keep the 5820k build,
I'd suggest this build:
PCPartPicker part list / Price breakdown by merchant
| Type | Item | Price |
|---|---|---|
| CPU | Intel Core i7-5820K 3.3GHz 6-Core Processor | $369.99 @ SuperBiiz |
| CPU Cooler | Corsair H100i 77.0 CFM Liquid CPU Cooler | $119.89 @ OutletPC |
| Motherboard | Asus X99-A/USB 3.1 ATX LGA2011-3 Motherboard | $203.98 @ Newegg |
| Memory | G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2400 Memory | $62.99 @ Newegg |
| Storage | Intel 535 Series 240GB 2.5" Solid State Drive | $89.95 @ Amazon |
| Storage | Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive | $65.88 @ OutletPC |
| Video Card | Asus Radeon R9 380 4GB Video Card | $189.99 @ Newegg |
| Case | NZXT S340 (Black/Red) ATX Mid Tower Case | $64.99 @ Micro Center |
| Power Supply | Corsair 850W 80+ Platinum Certified Fully-Modular ATX Power Supply | $144.99 @ Newegg |
| Prices include shipping, taxes, rebates, and discounts | ||
| Total (before mail-in rebates) | $1327.65 | |
| Mail-in rebates | -$40.00 | |
| Total | $1287.65 | |
| Generated by PCPartPicker 2016-05-15 00:50 EDT-0400 |
you can remove the cooler, get a 6500,get a cheaper mobo and add a 980 Ti, you can wait for the 490x or the 1080 if you want..
as for the mouse, I'd suggest a Logitech g502, if you want to replace your keyboard too, then I'd suggest the CM storm devastator Combo, its a mouse and keyboard combo for only $30 and its pretty good for its price