First off if you do decide to get one please do not order from that website, I don't even believe they are operating anymore and many people have lost their money after ordering from them.
There is a topic somewhere about it.
For me portability would be the big issue, if I was often taking the scope out of home to find dark skies I'd go for the collapsable, if I was using it at home then the standard model unless I was pressed for space.
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