If you are switching from AutoCAD to Solidworks, check out the recently released videos that SolidProfessor made here:
SolidProfessor develops great training tools for CAD users. Here's their website http:://www.solidprofessor.com
Here are more tutorials by SolidProfessor:
Explains how to import a .dwg file into a SolidWorks drawing
Explains how to import a dwg file into a 3D model
While we are on this topic you may want to view a NEi Fusion or NEiWorks (solidworks embedded FEA) webinar or demo at nastran.tv.