It took 30 min to figure out our best options for now; still open to suggestions

#P2 HRH = 930k lifetime MQM + PM now 100k MQM this year with 30k spend for waiver
most travel plans already locked in till yr end and quite busy so no more mileage runs to get MQM

#P3 630k Lifetime MQM + PM 124k MQM and 30k spend for waiver
plan was to roll over 49k to next year and hit PM quickly or even DM based on spend waiver

Now - current game plan is as follows
#P3 will spend 220k more on 2 DR cards = 120k MQM - 15 already spent = 105 left - requires a bit of MS and have to watch with Amex
give 75 to #P2 = hits lifetime SM; has 175k MQM but only 75 used for PM = 100k MQM rollover = 50k DL RDMs in Feb
#P3 takes 30k = 29k rollover = 15k RDM in Feb

Total RDMs = 220 from spend +50 from MQM rollover of #P2 +15k RDMs rollover #P3 = 285k RDMs worth $2850 at least (actually 1.15c = about $3275)
Cost 220*2.625 = 5775 -3275 = 2500 for 1 yr of DM with 4 GUCs and several RUCs - not too shabby an outcome

#P3 will be 330k short of SM but that is certainly not worth the squeeze of spending for MQM and flying weekly till yr end
Better to buy C/F as needed