I can't say for sure (and would like to hear from others more knowledgeable about this) but I believe there's some possible side effects for making retargets happen that often. Either way, once block 74,100 hits, the 9% max diff changes should prevent the wild swings that are causing the coin to be left at a high diff. The only thing this won't solve is if the price were to go through dramatic swings but I'd think it would still be a huge improvement.
all the coins that have 1 block diff changes are working fine as far as I know
all I know is I will be mining for a set amount of diff adjustments then letting it fall then mining for ofa set amount diff adjustments I am sure I wont be the only one doing it