CAD on a Budget - a roundup of low-cost CAD programs: ConceptDraw V Professional, General CADD Pro v2.1.04, DesignCAD 3D Max 14, TurboCAD Deluxe v9.2, TurboCAD Professional Competitive Upgrade v9.2 and VDraft v2.22, Ron LaFon, Cadalyst, January 1, 2004

ConceptDraw v1.8 - unusually versatile drawing software, good value for money, recommended, by Geoff Harrod, CADinfo.NET, December, 2002

ConceptDraw - technical drawing for the Mac, cheap, does everything, very customizable, Michael Burns, Macworld, Nov 2001