We draft 12 cards per pack, 4 packs per player, because of this you get for 8 people a total of 384 cards.
We also draft one non-basic land per pack thus the cube has 32 non basics (4*8 = 32).

Archetypes are:

: flicker
(): reanimator
: aggro
: tokens and auras
: control and ninjas
: spellslinger
: ramp big stuff
: aggressive sacc
: graveyard matters
: midrange