hi alex

welcome aboard
the optics of the 2 telescopes you have mentioned are the same, they are made by GSO. with the light bridge you get one eyepiece, the other scope 2 or 3 i think. the truss may or may not cool quicker. the truss can be broken down to smaller bits to make carryting it easier (these are pretty heavy scopes).
there are experts tha'll be along soon that will help you out more