tech21 vt

Hi all, I'm happily using a tech21 VT pedal to set my clean tone ( poor man's SVT), I use a Darkglass BK1 after it, for driven tone. Allways wanting "better", I'm interested if anyone has a/b , or owned a VT and a Bass Rig? Dose the Bass Rig out SVT the VT ?? The Bass Rig has some definite...