i'm looking to purchase a wide belt sander. This is for a home shop and I can spend up to 4K. I do have 3 phase power if needed. Does anyone have experience with Northstate products? They have a large 17" open end sander with a platen..http://charlotte.craigslist.org/tls/3688910372.html. They also have a double drum sander http://charlotte.craigslist.org/tls/3689158556.html