Some fans mentioned in the 3 mod articles I recently posted:

Evercool 120mm Aluminum Case Fan - 2000rpm, 79.14cfm of air, <30dba noise

Vantec Stealth 120mm - 1500rpm, 53cfm, <28dba (supposedly)

PSU 2 ea. Sunon KDE1206PTV1
60x60x25, W 3.6, RPM 4500, 12v dBa 36.5, 12v CFM 47.0, 7v dBa 24.8, 7v CFM 27.4, 5v dBa 20.5, 5v CFM 19.6

CPU Panaflo FBA12G12M
120x38, W 4.1, RPM 2400, 12v 35.5 dBa, 12v CFM 86.5, 7v 23.8 dBa, 7v CFM 50.5, 5v 19.5 dBa, 5v CFM 36.0

Comp USA 80cfm CPU FAN – No DBA given
Sunon 23.5cfm PSU FANS – 33.5 DBA each
23.5cfm PSU Sunon FANS with Comp USA blower