got the DRW-24B3LT from newegg - crossflashed, updated, then flashed C4 burner max firmware. Excellent kprobe results (for what they are worth).
results from 3 burns (second burn may have been a fluke with the spike but seems like an excellent drive).
1: burn mkm003 @ 2.4x OPC off | force hyper tuning off | online hyper tuning off
kprobe: PI Max: 30, Avg: 4.29 | PIF Max: 4, Avg: 0.06
2: burn mkm003 @ 4x OPC on, clear OPC history | force hyper tuning on | online hyper tuning on
kprobe: PI Max: 436, Avg: 4.56 | PIF Max: 9, Avg: 0.08
3: burn mkm003 @ 4x OPC on, clear OPC History | force hyper tuning off | online hyper tuning off
kprobe: PI Max: 20, Avg: 1.52 | PIF Max: 3, Avg: 0.05