Alienware , OriginPc , or Dell Inspiron 17 7000? So I'm looking for new laptop upgrade for 3D Animation (Autodesk Maya , Zbrush , Substance Painter , 3DS Max , Autocad) , since I want to be mobile. Which of them 3 are the best choice for that? I've heard that Alienware are not as strong as people say... Also my budget is…