If you want to shoot sabot loads, get the rifled bore model and mount a RedDot or low powered scope, if the less expensive, basic Foster type slug is OK for you the smoothbore in cylinder bore and open sights can be pretty good; I have no problem going 'minute of deer' at 50yds. and open sights with my old H&R 'Buck' barrel. Some do really well with a birdgun smoothie too.
I have a 12ga., wish it was a 20. With factory 2 3/4 X 1oz. Foster slug loads in an under 6# package it has about 40 ft.lb. of recoil. That is a bit.......
If I get a good buy on a 20ga. USH I will probably get it. I may be able to get as good groups at 50yd. and Fosters as I do with the smoothbore and still be able to go broke shooting the fancy loads made for rifled slug-guns; wont know until I try it. The USH does weigh more, that will help tame the recoil but can wear you out if you walk a lot.