I can highly recommend it if you don’t want to spend twice the $$ to get into a x86 solution that also uses more electricity. I have used it a lot for the past 10 weeks and not had a single issue. Regarding big/little that was only an issue with Samsung, this device is Amlogic.
Runs very cool to the touch with no fan.
Probably the only thing I can pick on is I wish the case lid had a more positive lock/click when you slide it on, and that it could be easier to locate the lid when lining it up to slide on. That is being very picky 
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The cool feature I did not realize until I set it up, is the switch that allows you to select if your booting from uSD or eMMC. Plan is to use this to be able to flick a switch to the uSD for running tests on a separate install and then being able to flick back to production on the eMMC when I go to work.
As for setting up V3, see here as this will make it very easy…