I'll add these to the links database when i'm done here
Upon reading this months J-Tuner, I found out about these two companies through a written interview with Steve Turvey, a motorsport chap involved in rallying. (sorry, can't remember his name):
U-Save
Rampage HKS
The first one, U-Save apparently will find any new or used parts for any Japanese model, which if Mo doesn't have it might be worth a call.
And the second, Rampage will apparently work in alongside HKS Europe to bring in all the HKS stuff. I've had a look and while neithert site is particularly pretty, they may serve someone in the future.
Cheers
Steve