Acme CADSee 2012
The fastest and easiest-to-use DWG/DXF/DWF(AutoCAD R2.5-R2012), PSD, BMP, JPEG, TIFF, PCX, GIF, PNG, MNG, TGA, PCX, ICO, WMF file viewer available for Windows 95/98/ME/NT/2000/XP/Vista/win7!
Acme CADSee is two tools in one. A full-featured drawing viewer quickly displays your images in high quality. The drawing file browser lets you efficiently find and organize your drawing file.