Based on the site you linked and the fact that your marked currency is Euros I'm going to assume you live in Spain, so I've recommended computers that could ship to Spain today.
Your linked computer seemed pretty good, but I thought I could maximize the price point further. The desktops I have recommended are capable of blowing any of the latest triple A games or heaviest application development suites out of the water. Each recommendation also doubles the amount of RAM in your configuration to a gratuitous 16 GB (DDR4).
This is the desktop that I purposely chosen to price match your current selection and beat out it's components. This configuration fits in a powerful i7-7700 along with a NVIDIA GeForce GTX 1060, with 6 GB VRAM making it VR ready. It also comes with 1 TB HDD and a blazing fast 256 GB M.2 SATA SSD. This thing is filled with enthusiast grade goodies so it's probably more than you need, but if you're willing to spend 960€ on your linked system, you might as well buy this and save that 26€ for a nice dinner.
Comes armed with a i7-8700K which means you'll have additional control for overclocking scenarios, a 1 TB HDD, and a 240 GB SSD and the aforementioned NVIDIA GeForce GTX 1060 6 GB. In this configuration you're really just paying for that CPU as it is 37% faster according to average user benchmarks drastically outperforming the i7-7700 in multi-core scenarios. I don't expect you to actually use the system to a point where the cpu will bottleneck even if you have a i7-7700 so the extra processing power may not go that far for you unless you plan on overclocking as this processor can be pushed much farther than the i7-7700.
Now since you said you want to game with your configuration and would like some monitor recommendations, here are two 1920x1080 monitors with gratuitously high response times (1ms).
This is a 21.5" 75 Hz monitor, supports VGA, HDMI, and has 2x2 built in speakers.
This monitor is a 24" 144Hz monitor that supports D-Sub, DVI, HDMI. This monitor would be a real treat to play video games with due to it's super responsive refresh rate and response time, but comes with a pretty hefty price. This is a monitor that will make your friends jealous.
To keep your system under your 1.150K budget, I think that you should go with the MSI Trident 3 and Acer GN246HL configuration as this make for a very pleasant experience while being under your max budget by 45.02 €.