AngelofDeath pretty much gave you the run down for play styles, but...
BAs - Jump infantry, razor spam, hybrid of each
SWs - assault oriented, thunder wolf spam
SMs - meched up, bikers
BTs - assault oriented (dont have much knowledge about them)
DAs - Termies, Bikers
Eldar - Mech-dar, Foot-dar
Dark Eldar - Raiders/assault
thats in general the main "arch-types" of each army that you are sorta interested.
Originally Posted by neilbatte
if you squint the Sigmar stuff doesn't all look like the love children from a Necron and Blood Angel orgy.