Hi Angus,
I've got the Astrotech version which a mate is using at the moment for lunar photography.
As noted the Orion & Bintel are the same scope and both do very well for AP with slight mods.
It will ride happily on an EQ/HEQ 5 mount. Whether they are 'better" than an ED80 is kind of a toss-up. Better resolution on Luna, Planets and other solar system objects but narrower FOV and spikey stars on deep sky stuff.
Less exposure time or lower ISO than an ED80 tho' so that's a big plus.
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