Step II how to study for step 2 ck + cs???

[TY06]

so for step 1, it was pretty clear...first aid, goljan, brs path, maybe some hy. kap qbank.

what is the deal for step 2??
ck: still first aid? i heard kaplan, qbooks, a+L, goljan???
cs: a resident told me just do first aid.

thoughts????
thanks!