@travisg: If you go with the Townshend, know that a set of 4 Seismic Pods is much cheaper than the Seismic Platform. Place the Pods under a shelf of your choosing (Baltic Birch plywood makes a great shelf) to save some $.
Turntable Isolation
Im looking for an isolation base for my VPI Signature 21. My listening room is over my garage and a times my footfalls cause the table to skip. What have you used that works?