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Sounds like an 8" dob and would be fine. Try and find out the model number from him.
I find the 8" bintel dob easy to use and easy to transport/move from place to place. The tube can stand vertically on a flat surface on the 6 primary mirror knobs though if it's windy I would not leave it unattended at all (ie: move the base first to your observing position then the tube.)
A finder scope is great once you've got the scope pointed in the general vicinity of the target object but getting it there can be a little challenging. Personally I find the red dot/telrad style finders to be excellent but don't let the lack of one stop you from purchasing one scope over another as they can easily be added to any solid tube scope.
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