So here it is discuss till you drop and no spoiler tag:
Major death & casualties (in no particular order):
Snape - death by Nagini
Tonks & Lupin - probably death by Dolohov
Mad-Eye Moody - Voldemort
Voldemort - Harry (avada kedavra deflected by expeliarmus and the deathstick)
Wormtail - Silver Hand
Dobby - Bellatrix
Bellatrix - Molly Wesley
Fred - explosion
hedwig - death by wand curse - avada kedavra?