i have an electrix filterfactory as hardware but it is not really integrated into my setup. i could run some stuff through it for you though, if interested. i have checked loads of vst filters. i will prolly might write something more helpful on this subject later. You might not have heard of some new vst filters that might add some new spice to your filter moves :) meaning to test run them all asap:



http://www.expdigital.co.uk/products/gflux.htm


AND:



http://www.fabfilter.com/products/simplon.php