X2. That's the way to go. I know you two plan on off roading this rig, so that's what I would go with if it was mine! ...dreaming.
Those power step are nice, but you have to remove your rockrails to instal and I saw one side get wrecked at a HUMMER Happening this Summer. So, I would try to stay clear of those.
Ken should be on all fours so you can step on his back to get it in.