I'm reducing the price of Filtrex boards from 28UKP to 18UKP for members on this list. More details on the Filtrex project at www.oakleysound.com/filtrex.htm Please mention Synth-DIY on any order. Many thanks, Tony Allgood www.oakleysound.co.uk Oakley Modular Synthesisers Penrith, Cumbria, England