Ian Fritz's Threeler VCF
Third-order VCF with switchable response (LP/BP/HP) for each of the three stages, in four different combinations. It also has VCable resonance. Output of each stage is also available.
http://synthcube.com/cart/ian-fritz-threeler-vcf-kit-euro
Available as an assembled Module and as a DIY project.
This Module is currently available.
$285