What will you be doing with this PC? Be as specific as possible, and include specific games or programs you will be using.

Gaming, basically. I like games in ultra or at least high. Witcher 3, Dragon Age Inquisition. I even like texture mods.

What is your maximum budget before rebates/shipping/taxes?

1100.

When do you plan on building/buying the PC? Note: beyond a week or two from today means any build you receive will be out of date when you want to buy.

As soon as possible.

What, exactly, do you need included in the budget? (Tower/OS/monitor/keyboard/mouse/etc)

CPU, Motherboard, Memory, Video Card, CPU Cooler, Power Supply, Case (if my old coolbay SX Nox is not big enough)

Which country (and state/province) will you be purchasing the parts in? If you're in US, do you have access to a Microcenter location?

Spain

If reusing any parts (including monitor(s)/keyboard/mouse/etc), what parts will you be reusing? Brands and models are appreciated.

Optical drive, monitor, mouse, keyboard, hard drive (SSD and HD)

Will you be overclocking? If yes, are you interested in overclocking right away, or down the line? CPU and/or GPU?

No

Are there any specific features or items you want/need in the build? (ex: SSD, large amount of storage or a RAID setup, CUDA or OpenCL support, etc)

GIGABYTE GeForce GTX 970 GV-N970G1 GAMING-4GD and Intel Core i5-4690K. They are the only things I know for sure.

Do you have any specific case preferences (Size like ITX/microATX/mid-tower/full-tower, styles, colors, window or not, LED lighting, etc), or a particular color theme preference for the components?

No.

Do you need a copy of Windows 7 or 8.1 included in the budget? If you do need one included, do you have a preference for one or the other? No. I have already Windows 8.1

Extra info or particulars: That's all. Thank you.