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Skywatcher and GSO come to mind, the former being of slightly better quality and its flex tube design probably more manageable when not in use. I see you have the 10" GSO so even if you stay with that producer, you might find the 8" version better optically than the 10". At least that's what I've found. It might be because of the longer f ratio (f/6 instead of f/5).
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