Re: [ANN] Spondoolies-Tech launches a new line of ASIC miners - Best W/GH/s ratio
To put it bluntly these fans are probably the cheapest available to do the job.
"Loud" does not mean "cheap", I think that's a common misconception 
i've got no problem with the volume of the rig, it's the most stable and best quality hashing machine i've ever owned. i'd gladly have ten of them running in my spare room if i could afford them!