The reinard comes with a std un ground 5mm armature, and with rock hard brush springs.
The Hara i believe varies with the country that it was intended for. The ones we used to get in the UK had a very thin stack (4mm i think) and a twisted slot comm.
The spashett has a 5mm arm (below 10 turn i think) but it has a groove ground down the centre of the stack. This gives more RPM. These have been available for over a year in the UK, not sure about the rest of teh world.