All i can do is tell you i bought this system in 1999 and love it. You will not get 2300 cfm out of any other collection system unless you go over 3hp. This system is 3hp.
i have 7 huge machines hooked up and i can use 3 machines at the same time. I could use 4 but the fourth machine would be a bandsaw. So example i leave my 8" jointer, my cabinet saw and thickness planner all open then if i need ill open the shut off valve on the bandsaw but if i need my double drum conveyer belt sander i close everything up and use all 2300 cfm to suck all dust up into the bags. I can tell you you’ll wouldn’t be sorry if you got this system.
http://www.grizzly.com/products/3HP-Double-Canister-Dust-Collector-with-Aluminum-Impeller-Polar-Bear-Series/G0562ZP
http://www.grizzly.com/products/3-HP-Dust-Collector-with-Aluminum-Impeller-Polar-Bear-Series/G1030Z2P

Jeff Vandenberg aka "Woodsconsin"