as rage is no longer "must move towards closest" and is now "gains 2 attacks on the charge rather than the usual 1" it is quite a benefit...... Between RAGE and COUNTER ATTACK Berserkers have the same # of attacks the first round of any combat that they used to have....
currently abusepuppy @ 3++ (
www.3plusplus.net) has a good post discussing how to compare / contrast the different marked
CSM vs cult units. give it a read, may help you out.