Taip dariau. Neskubedamas domejausi pora menesiu ir suradau optimaliausia 
varianta (sau).

Pas mane buvo vienas reikalavimas - 0 garso.

Sprendimas:

http://www.skytech.lt/case-minitower-matx-psublack-dsem034t2uhab-inwin-p-58610.html

http://www.skytech.lt/gigabyte-gad525tud-intel-nm10-ddr3-800mhz-expansion-pci-slot-sata-pata-raid-01jb-p-59970.html

(vietoj motinos kuleriuko:
http://www.skytech.lt/zalman-northbridge-passive-cooler-blue-p-2145.html )

http://www.kompiuteriai24.lt/maitinimo-blokai/fortron-zen-300w-atx12v-v2-0-zen300-114

http://www.skytech.lt/adata-2gb-ddr3-dimm-1333-256x8-retail-p-59866.html

http://www.skytech.lt/logilink-pc0012-pci-card-101001000-lan-mbit-p-17257.html

http://www.skytech.lt/scythe-gentle-typhoon-120mm-500rpm-p-41203.html

http://www.skytech.lt/nexus-disktwin-stops-hdd-vibration-525-p-1771.html

http://www.pcsilent.de/en-pd-be-quiet!-Insulation-kit-universal-Insulation-material-PC-noise-dampening-mats-310.html