Thanks for that KCat!
I had a look and took a test write with a M800 in red stripe; very nice writer, with medium nib. Had a steady ink flow from dipping. It was 250GBP. However, I wasn't sure what to make of the construction. It was very light for a large pen but more disconcertingly, I thought the cap clip to feel insubstantial, as if it would break like brittle plastic (though thank goodness it didn't do that at the pen store!

)
I found myself more impressed with the Cross Townsend in sterling silver on sale atg 68GBP and wrote a much wetter and enjoyable line. Mind you, the plastic feeder under the nib seemed a little off centre, as did the others stacked up behind the demonstrator. The gold tipped nibs were better fixed underneath.
Even so, I can see why the Pelikan is potentially superior: the nib IS its crowning glory and for that alone I could be tempeted, but you'd have to wax a bit more lyrical about Pelikans before I could commit to one