Hello everybody!!!
I've been reading for the past two years now...found enormous help in the forum...THANKS!!!
This is my third build from scratch:
Antec Solo with 1 rear, soft mounted Nexus case fans spinnning around 740 rpm - using the Noctua ULNA adaptor (brutal removal of the rear grill

)
PSU: Seasonic 430W with 800 rpm soft mounted Noctua fan
Intel E8400 with Ninja Rev B - no fan - secured with the Scythe UNIVERSAL RETENTION KIT "SCURK1"
MB: MSI P45 Platinum
RAM: 8 GB DDR2 A-Data Vitesta (Vista x64 bit)
HDD1: Silicon Power 32 GB SSD
Storage HHD: Samsung F1, 1 TB enclosed in the Scythe Quiet Drive suspended with the original case rubber bands
VC: old 7600 GS with Accelero S1Rev2 - no fan -
Creative XFi extreme audio (added some left over heatsinks from the accelero)
Some very pour images:
It runs so silent that I can hear my damn monitor buzzing....and so cool:
Open to any suggestion / question !