Off the top of my head, in no order of importance:
Things we are GOOD on:
wood (regular and birch)
cobblestone (stone, stone brick)
black dye
bones (bonemeal, grey dye)
arrows
sand (glass)
dirt
cactus (green dye)
wheat
eggs (chickens, feathers)
cane (sugar, paper, bookshelves)
cakes
red stone
coal
Things in constant need of collection:
Diamond
Iron
Milk (if we want more cakes)
fish (if we want it)
Lapis
railroads
animals for the farm
string if we want it (although we 'sort of' have a farm, that is really far away)
gunpowder(TNT) (GOT to be a way to increase this with a farm somehow...)
Things that we will be good on after 1.9 animal breeding
wool
leather
steak (dog food!)
pork chops
whatever mooshrooms make, IF we get mooshrooms in the farm
things we have nothing of:
pumpkin seeds ( must find in dungeon)
snow
snow biome tree types