I have

1 P5xs
1 21-5k
2 21-7 FMS
1 NR.12S3
I was going to buy a Plus-4C but I was so impressed with the FMS I bought
another one. The P5xs seemed to lack bottom-end, but I only ran it with the
9886/41021 combo. When I get it repinched I'll run the 9853. The FMS for me
is the hands down bomb!