Finally got around to booking some of the flights for upcoming trips this August:
LAX-PPT in TN Y for 49,556 MR X2
LAX-FLL in B6 Mint for 41,400 X2
FLL-LAX in B6 Y for 13,200 X2 (but price dropped to 9,200 so I matched it)
LAX-PVR in AA Y for 9,206 MR X8
PVR-LAX in DL Y for 12,678 MR X8