I need the expertise and experience of techies today. What is the typical cost difference if I build class 1 product and want to change to class 3? For instance, my class 1 board cost $10.00 to build, what would be the cost to build this board to class 3? Thank you for your help. Tenison Stone Telex Communications --------------------------------------------------------------------------------- TechNet Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF TECHNET Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------