Vortex Sound Research

So, I just started my adventure into the world of modular, since subtractive synthesis is getting a bit boring for me. I only have 3 modules. Plaits, Pamelas New Workout and a Disting Mk. 4. Ill expand my rack with a quad vca, the doepfer a-103 and a vco. Now I just need to know which one since Im not looking for a typical basic vco with squares and saws but one with complex waveforms like Plaits. Id also like it to be in the price range of Plaits. Any recommendations?