What wand to use at level 41?

[TrumpThrall16]

Hi, I just hit level 41 on my warlock and I am still using my gravestone scepter that I got around lvl 22.
I would like to upgrade but I am poor and I don't want to buy something on AH unless I know for sure that it will last me for another 5+++ levels.

any suggestions for quested/bop wands, or boe wands i should look for on AH? whatever is recommended for this level.

Thanks

[Botmaster5]

@ lvl 40, start looking for wands "of shadow wrath"... iirc they start @ lvl 43