This link gives a useful overview too (the table below the map shows the results for any state you click on):
http://www.governing.com/gov-data/politics/2012-state-legislature-elections-map.htmlI think Republicans will win the West Virginia state house in 2014.
It looks like these are the most lopsided chambers:
State house (D) - Rhode Island house (69/75 seats for 92%)
State senate (D) - Hawaii senate (24/25 seats for 96%)
State house (R) - Wyoming house (52/60 seats for ~87%)
State senate (R) - Wyoming senate (26/30 seats for ~87%)