I'm selling some now redundant modules. All are Frac Rack format. See my blog for more information if anyone is interested. http://analoguerealities.blogspot.com/ David David M. Ingebretsen, M.S., M.E. Collision Forensics & Engineering, Inc. Office: 801 733 5458 Cell: 801 842 5451 www.CFandE.com dingebre at CFandE.com dingebre at 3dphysics.net