I'm pretty sure that they would start printing again at $0.252 based on the current supply. I figured it out a while ago, and watched the transition in real time last time we crossed the threshold from below to above. If my script is right, here are the values:

Lower threshold: 0.252085 <- SBDs start printing here
Upper threshold: 0.280095 <- STEEM rewards stop here

Here are the formulas (using virtual supply):

   echo ${STEEM_SUPPLY} ${SBD_STOP_PERCENT} ${SBD_SUPPLY} | awk '{print "Lower threshold: " 10000 * $3 / ($1 * $2) }'
   echo ${STEEM_SUPPLY} ${SBD_START_PERCENT} ${SBD_SUPPLY} | awk '{print "Upper threshold: " 10000 * $3 / ($1 * $2) }'

And we also find that $0.252 number on steemworld (rounded up to 0.25209):

For whatever reason, it seems like that median price value stops updating when SBDs stop printing. Clearly, the current median price isn't really $0.252.