I got the new book from Matt Lombard last week, "SolidWorks Surfacing and Complex Shape Modeling Bible". I'd highly recommend it. I've been a casual SW user for a year or so, and am getting more serious about using it for product design now. I don't have any experience developing with surfaces directly, this book breaks it down nicely so that you can develop a good workflow for analyzing a part and modeling it. Amazon.com has it of course. [URL]http://www.wiley.com/WileyCDA/WileyTitle/productCd-0470258233,descCd-DOWNLOAD.html[/URL]