1) Technically not eligable for upgrades but sometimes they will push them through at thge airport if there are seats left

2) If your MVP/G or the person booking the tickets is MVP/G then you can select the blue preferred seats. Otherwise you get the same seats and non status $$ passeger gets unless you book full flex level

3) You now get 100% EQM when booking a tickets with the option paying with Money and miles, whatever they call it these days