Personally, I am waiting. I did my MD state taxes on TurboTax and just haven't filed them. I am hoping that the TurboTax update will come well before April 15 and that it will do the subtraction for me.
It seems like a pain to have to amend a filing. Especially since Turbo Tax seems to only have amendment capacity for Federal Filing only. I would be wrong about that.
I believe that is a personal choice you'll have to make. I end up owing if I don't wait. Perhaps you end up getting money back and you need it sooner than later. Then filing an amendment would be worthwhile.
