Opinions please: Pelikan M800 or Montblanc 146 Le Grande?

[RPB]

Hi all :)
As the title, I would like your opinions between the Pelikan M800 and the Montblanc 146 Le Grande fountain pens.
All comments please positive and negative would be appreciated.
I currently own a TWSBI 530 which is a superb FP for very little cost. Made with the help of a lot of people on the FPN Forums.
Whilst I do sometimes like a "name" so to speak, I also know the Pelikan pens are of superb quality as well. they are both almost the same size and so is the TWSBI the same size as well so I know that will suit me.
Thanks all,

Regards,

Rich.