It's still a bit spendy but Rapid Electronics have a nice breadboard system on sale at the moment: http://www.rapidonline.com/productinfo.aspx?clearance=1&tier1=Tools%2C+Fasteners+%26+Production+Equipment&tier2=PCB+Equipment&tier3=Prototyping+Boards&tier4=Digital+trainer&moduleno=74736 Andrew

Integrated breadboard system

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