I've just ordered:
6*80 mm GlobalWin (30 CFM, 36 dBa each, RPM-signal)
1*120 mm GlobalWin (108 CFM, 42 dBa, RPM signal)
1*92 mm Papst (35,9 CFM, 23 dBa) This is bought to build in to my Enermax 330 W PSU, so no RPM signal needed.
I'm wondering whether I should buy a Digital Doc5 for all these...