If any instrument deserves to be geeked over, it is the pipe organ. Over the course of its almost 2,000 years of development, it has evolved from the rudimentary Greek water organ to the extremely complex device featured in cathedrals and concert halls all over the world. And this is all well and good, but what is an aspiring (or accomplished) organist to do when he wants to practice yet doesn't have access to Saint-Germain l'Auxerrois in Paris? Well, he might go ahead and build your own -- at least that's what an Engadget reader named Rob Stefanussen did. The heart of the thing is a Mac Pro running Hauptw
