Yes, I play a lot of Bemani games. Well, in this area of the site, I've compiled a lot of my accomplishments, both in the arcade and in home versions (including DDR simulators). Check them out: I'm not kidding when I said I suck at DDR.

DANCE DANCE REVOLUTION (ARCADE):
BAG HEAVY 1x FLAT-- C
Pop 4 Course-- 1 Miss!! (DIFFICULT)
Burnin' the Floor HEAVY-- Full combo
So Deep HEAVY 1x FLAT-- 1 Miss!!

DANCE DANCE REVOLUTION (CONSOLE):
Anything on singles-- AA (except Maxx Unlimited)
Maxx Unlimited HEAVY DOUBLE 1 controller-- B
A lot of stuff on doubles-- AA
MAX300 HEAVY SINGLE-- AA

STEPMANIA (DDR SIMULATOR):
Almost anything-- AA or AAA!!!
BMR V-- AA (Full combo C400)
BMR A-- A
Forever (Sporksensei)-- A (CHALLENGE)
Hellscaper 800 Turn Mix-- A (HEAVY)

GUITAR FREAKS: (All at 2x speed)
Happy Man (Advanced)-- FULL COMBO ALL PERFECT!
Magic Music Magic (Extreme)-- A

DRUM MANIA:
Furi Furi '60 (Advanced)-- S!

PARAPARAPARADISE:
Almost anything-- S or SS!!
Ultra High Heels-- SS (FULL COMBO!!!!)