Once, lot's of shots of rum ago, when rockeiter did not know that all it's emploees will have a laptops , our CEO bougt two PCs from a local computer store (KSP). The thing is with those KSP guys is , that mine probability for getting a good computer from them equals to the probability of meeting a dinosaur on the street (it's 50 \50 either do , or not ).
Nowdays , when one of the computers runs 3 databases servers the heat control is dead we came up with an alterative cooling device.
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The comp lays on an air conditioner and acually is very cool :)
don't buy at KSP