any of the bearings will be fine. the ACL ones are supplied unboxed as they went bust a few years ago. the king bearing are harder but ok.

as regards little ends - my experience is that even new pistons have worn pins after a couple of thousand miles (maybe 1 thou of wear on the pins on the ends where they run on the piston but ok in the centre where they run on the conrod bush). high mileage ones seem to wear the bush as well.

still not sure what you mean by 'cheap chinese ' however - king is usa and acl was oz