@livin_262002, here's another two cents from the peanut gallery: wait 'til you get set up in the new house and see if you need any isolation. With all the additional weight put on the floor(s) from furniture, etc., you may not need to spend any cash on isolation. New "stick-built" construction, nowadays, uses 8' X 10' wood floor joists 16" OC, sometimes cross-membered; sometimes not. Sometimes, builders will go 12" OC with the floor joists to add more strength; sometimes, they'll even go less than 12" OC or "marry" (double-up) floor joists and cross-member them to add additional strength (e.g. accommodating additional weight of tile flooring). My house has single 8' X 10' floor joists 16" OC for the first floor, wood flooring and wall-to-wall carpet over that in my sound room (i.e. 14' X 23' living room). I've got a Salamander Synergy rack on its regular adjustable pad feet (i.e. no spikes) and I don't need any isolation for my system. My TT weighs a little over 24 lbs. Rega is a proponent of low mass design. Hence, the P6 weighs less than half of that. It was on my short list when I was shopping for a new TT. However, I eventually decided I liked the idea of more mass (i.e heavier) for a TT. My amp is just under 40 lbs. and the rest of the equipment & stuff I have on the Salamander probably adds another 30 or 40 lbs. or so. I do have a lot of bookshelves in the living room, though, one of which is floor-to-ceiling. So, I'm sure the weight of all the books adds a lot. I've had plenty of parties & people over while entertaining and have never had any issues with vibration, footfalls or any of that sort of thing. I've also occasionally had small children over. However, the sound system, especially the TT, is not in use when small children are around, for obvious reasons, or I'll sit with the kids to make sure they behave if they want to listen to some music. Frankly, I don't trust anyone anywhere near my TT, except my closest audiophile friends. As long as people aren't dancing up a storm in the living room, jumping up & down and doing stuff like that, my sound room is just fine.
