I could give a hand, if my skills apply.
Japanese: sub-kindergarten, I wouldn't make a good translator, but I'm workign on it.
English: Native-speaker, can proof-read and edit
Virtualdub (video encoding program): Advanced
Adobe Premeire (Video editing program): Intermediate
Aegisub (Subtitling program): Novice
I'm not sure if you even use these programs, but it's what I know.