I finally got my new rig today!
I got it professionally built, tuned and tested by a specialist in CZ but had to wait almost a month before my family brings it to me. The specs:
Case: Fractal Design Define Mini
PSU: Corsair RM550x 550W
Mobo: MSI B150M NIGHT ELF
CPU: Intel Core i5-6500
RAM: 16GB (2x Kingston 8GB 2133MHz DDR4)
GPU: MSI NVIDIA GTX 960 2GD5T OC
SSD: Kingston SSDNow V300 240GB
HDD: Seagate Momentus 1TB (Samsung SpinPoint M8)
Extras: ARCTIC Accelero Xtreme IV, F9, F12 and Freezer 13 fans + SCYTHE Himuro + various sound deadening bits
It's definitely not high-end as I had a limited budget for HW. The main point was silent operation even under heavy load and while I have yet to play any newer games on it, I've got to say it's really amazingly quiet while running the stress apps and absolutely silent during normal operation.
The guy created a personal build gallery for me, too:
https://picasaweb.google.com/113072535665228271499/6296887819973588481
Everything is neat and tidy, unlike the shed-built PC I cobbled together with my buddy nearly 8 years ago. Looking forward to test it properly in the coming weeks