So, I know these aren't final, but here's my take:
1.) Shottys, SMGs, DMRs, pistols all get nerfed and some pretty hard - hello AR & LMG metas, especially with doubled ammo capacity at lvl 30
2.) The weapon and gear talent changes are meh, they get rid of RNGesus but they're mostly middle of the spectrum so win some, lose some
3.) From what it looks like, rewards for the things I play will make them more worthwhile (HVT on all levels, heroic/challenge dailies, and UG on hard) and I won't be punished for not playing the DZ or incursions
4.) Skins not counting as inventory, break down items from cache, break down multiple items at one time, rebuy items you accidentally sold - F-I-N-A-L-L-Y!
5.) Being able to get supply caches for PvE and UG by earning XP after capping your level is a great idea, kinda like earning motes of light in Destiny
Overall, I'm impressed with these changes and while they don't fix everything, they give the game a new feel. I think that pretty much everyone except the 1% that are currently min-maxed for the current iteration of the game should be happy. Unfortunately for those players, they'll probably feel like they're getting the shit nerfed out of them, and that would be a correct assessment of their situation.