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ProE is very popular also. While I don't have any inside information about Unigraphics, my guess is that if you've only been away from it for 2 years that not much is different. New programs are a lot like new editions of textbooks, where they author makes a few minor changes so they can sell new copies (and make tons more money) that aren't really any different from the last edition. $5000 is a lot of money to dump into a training course, most of which will probably be stuff that you know already since you've worked with it for so many hours already. You have to remember our brains are great at "recalling" information; that is, while you may think you are rusty now, I bet if you sit down with the program, after a few hours it will all come rushing back.
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