Check out some of these WHAP review sources I found! Not a bad break from Mega-Chart'in.
24 Chapters of ID's - DLCDS
Freemanpedia - Excellent resource for all things WHAP
Crash Course World History - 42 Crash Course videos on WHAP!
Quizzes by AP Period - I do not agree with all of their answers on this...but its not a bad review.
Must Know Dates! - Overview of important dates organized by period
Quizlet WHAP - This is a decent Quizlet set aligned with the WHAP exam
Hip Hughes Video Review - A set of brief video review lessons (same guy on Cuban Missile Crisis Video)
Hyper-history - excellent collection of biographies, civilizations etc. organized by time-period and with linked, brief descriptions.
Bridging World History - video course with excellent video clips of different time periods