I bought my town-home in 2005 mainly because it is built on a slab and my 3 Thorens turntables no longer shake, rattle, and roll like they did before. Makes listening to vinyl a lot more pleasurable....no need to tip-toe through the tulips anymore. Not quite an answer to the original question on this thread, but I think everyone will see the relevance. The things we'll do for audio Nirvana......