I know the developers have said they are going to make the dark side less thuglike, like it was first game (a real disappointment in it), and I have a suggestion about how to portray the dark side. The dark side should be more Machiavellian. A dark sider does not believe in good or evil, just power. He does not do evil acts just because they are evil, but because they are often the easiest way to get what he wants done. A true dark sider would have no problem doing something good if it were easier way. The Machiavellian dark sider who sees no good or evil, just power, is a much more effective and scary (think fascism) view of the dark side and it fits better with the movies and books.