And my rouge, renegade ideas here: http://www.80tq.com/tube_header.html Javad In a message dated 1/9/2002 3:26:57 AM Pacific Standard Time, quattro at isham-research.com writes: << FWIW - I've put my thoughts up on http://www.isham-research.com/quattro/urquattro_manifold.html Comments welcome. >>