I was wondering nowadays what an original 80's ARP 4075 VCF module is worth ? The one used in 2810-2823 Odyssey, 2310-2323 Axxe, Omni, Omni-2, Pro DGX, Avatar, Quadra synths.. One like this one: http://www.synthfind.com/wp-content/uploads/2010/12/omni2-vcf.jpg Thanks JP