You can read a review of 8" jointers in the latest Fine Woodworking.
Their findings boil down to a whole-lotta-no-big-difference among most
of the under-$2,000 machines.

Running a 2 HP jointer on 110V isn't a great idea. If you're thinking
of plugging it into a an existing 15A shared circuit, forget it. You
really would need a dedicated 30A, 110V circuit, and if you're going to
add wiring, it makes more sense to go to 220V. Also, the G0586 comes
ith a 220V magnetic starter. You'd need to buy a 110V starter (at least
$70) to even try it.

If wiring and budget are insurmountable constraints, you'd be better
served by getting both a 6" jointer and a 12" planer for about the same
outlay.