I have a variety of colors purchased over a couple of years, mostly Winton artist oils because they are less expensive than some of the others. I'm told Winton are "student" grade oils, but you don't need high quality artist oils for modeling applications, so I look for sales on the student-grade paints. Even the cheaper brands are expensive, though, especially when you consider that one regular tube will last most modelers a couple of lifetimes. I'd love to see someone market a "modeler's" set of artist oils with about a dozen colors in tiny tubes..............
Tom