I can personally vouch that the following fanless power supply replacement is working well for me with the EY-855 II: http://www.mini-box.com/s.nl/sc.8/category.13/it.A/id.300/.f You'll need the $3.95 P4-ATX option. After checking my power draw (40-50W), I opted for the 60 Watt supply because the 11...