I can confirm Farkas' description of the Polivoks II. It's a bit dirty and I can't get it to fully close, but it is quite versatile especially for gnarly bass or lead lines.
A hugely underrated filter in my view is the Pole-Zero by WMD SSF with integrated VCA. It's got a nice small footprint and affords a wide range of sounds from smooth to overdriven saturation. I find myself coming back to it in nearly every patch and use it mostly for polyphonic stuff or leads. The integrated VCA is a nice feature as well and it tracks V/Oct quite nicely.