You're right. They'll add AO. I don't know what, if anything, will be done about AA.
On your #1 point - That's another thing, too, that I'm considering. In all likelihood, because it's sure as hell true in every single game I've personally ever played between the 360 and PS3 on my HDTVs I've owned over the years. Direct Feed videos, particularly streaming ones, always look more subdued when I'm viewing them on my computer monitor compared to how the raw games or much higher quality video may look while running on my HDTV. So you may not even need to mess with your tv settings for the PS4 version to more or less match, or even exceed, the look of the Xbox One version.
That's been my experience for every next gen game that's ever hit my HDTV. No gears of war footage, for example, ever looked as good when being viewed on my pc as the game itself would look on my HDTV. The same held true for Uncharted 2 and 3, God of War 3, Halo 4, Asassin's Creed, COD4, the list goes on. So, in all likelihood, you see a BF4 PS4 setup on any nice HDTV inside of a bestbuy or gamestop, and it probably drops jaws, not looking anywhere as soft as I believe it to look in direct feeds. What may be going on with the xbox one version is that it's strangely pulling some of that look even without heading to the hdtv. In fact, the look at times is almost off screen in nature for the xb1 version, which is pretty strange.
For example, take a look at this jackfrags xb1 footage. Don't go fullscreen (mostly makes an already compressed video look even worse, which makes the aliasing present look much worse than I think it would look if someone's actually playing it), just increase the player size to the largest, set it to 1080p, and look at how aggressive the look is starting at 7 minutes, but especially when they get to the top of the hill.
http://www.youtube.com/watch?v=g0ycN0re_5A#t=6m50s
See how the detail jumps out on all the textures? You don't see that look on any other version of this game, not even the PC, which makes it pretty surprising how that's happening in just the Xbox One version captures of the game. The best I can come up with is that DICE altered the lighting in the XB1 version of the game, or maybe it's something the Xbox One is specifically doing to the output. It definitely appears brighter for some reason in XB1 captures. Looks more like you would expect to see of off screen footage.