I went with the leveling jacks. They come in handy in places where your parking pad isn't always level. Especially when you have the slide-out extended. That's a lot of extended weight.
Ditto what everyone else said. Only once did I not need to level the coach because the pad was really flat. Many of the places we go have gravel pads, so they're often unlevel.
Congratulations. I'm sure you'll get good at the manual leveling, and as for the outside TV, I'm sure some people like it, but I don't even know how to turn mine on.
Get them if you can!! We had a little trailer and it was miserable without them. And I wasn't even the one who was trying to level it! The poor BF would be out in the dark if we pulled in late, trying to level... Backing off, going back on the pads... I'm sure you know what I'm talking about. Plus, it does make a big difference in the movement of the entire rig when camped.