I've been wondering this too, as well as the viability of Cavaros Mantle now with the ability to stack % crit damage and crit rate atma's in abyssea.
Atma of the Razed Ruin DEX+: Superior, Critical Hit Rate: Major, Critical Hit Damage:Major
Atma of the Sanguine Scythe HP+: Major, Critical Hit damage+: Major, Enmity+: Minor
I don't have these yet (/cry) but will soon. I am wondering if it would be worth the mathematical excercise to see how an additional 10% on top of these already significant % based bonuses would play out for TP and WS phase now (in abyssea)
I'm not sure that it would be worth it either, but it does seem to me that X's 10% is more of a bonus that it used to be, pre abyssea.
Edited, Oct 24th 2010 9:42am by ThiefKiller