I finally got a chance to try the 1.01 firmware. The drive does appear to be a little faster, especially when it comes to 4K QD16 writes.

- Plextor M8Se Anvil v1.01.png (95.11 KiB) Viewed 22787 times
I also reran the PCMark consistency test and the giant spikes are now gone. The M8Se actually performed a little better than the M8Pe. However, when compared to the other PCIe SSDs, its still not great.

- Plextor M8Se PCMark Bandwidth.png (83.01 KiB) Viewed 22787 times

- Plextor M8Se PCMark Latency.png (81.71 KiB) Viewed 22787 times