Goodluck with the snailcams ^ . Yeah, I've just started my PhD so I'm going to be pretty busy for the foreseeable future... . I'd definitely say AutoCAD and SolidWorks are my favourite programs, as well as being the most widely used I'd say. To get it you'll either have to pay for a license from the company or try get a free student version if you're a student...ahh the perks.