Please, friends, please ! I understand, we all would like to have the ultimate rendrerer. But rasonnably, apply the grey volumetric cloud material, add general illumination :
E-on's is "just humans", and I think taht they are doing their best to have the thing running. But they are not a super-billion-dollar multinational group.
If we hurry them to add new features and make n 6, in the actual state of n5,
we probably will get a new version for +xyz.na $ +vat+shipping, not compatible with anything but itself, containing the old and known problems,
plus a bunch of new ones,
minimal system config two intel quadcore with Nvidia 9876_512_PCix and 8 Gb ram.
Do we really want such ?

I don't. If you do, don't be astonished about bugs, diletantism, $ectarism or such, later.

I'd prefer to have a n5 first, improved or re-written, clean, and fast. I'm quite conscient that making such a such a 5 "excellence" update would cost extra money, and I'd be ready to pay something (well, keep it reasonnable, and add displacement mapping ;-)
If I'm the only one to think this way, I beg your pardon.