There seems to be an idea that suggestions have to be 'either/or'. That's not the case at all.
Because a console game is mentioned, it doesn't mean that you have to go for 'console kewl'. It's good to keep an eye on all forms of escapist entertainment, surely, in relation to rpgs. How many pop culture references have rpgs 'appropriated' from films, comics, consoles and TV shows anyway? Quite a few.
No one is saying that everything
has to be colour, either. White Wolf manage some high quality art in B&W. It's partly because of a coherent 'look', an intended design. I agree that Games Workshop's version of Runequest 3 was colourful, and I also agree that it wasn't, in any way, 'designed', it had a haphazard appearance, because it was just disparate pieces of art. Look at Luise Perrene's art for original RQ. I'd be willing to bet that was a major factor in RQ's success, because it was just so different. It was like a statement of intent.
I like the idea of a journal, reminds me of a kind of Castle Falkenstein approach, which is better than nothing. However, Mr. Deleriad, with the greatest respect, I think it's misleading to say that Harry Potter consists entirely of B&W words on a page. The Harry Potter IP is huge because of all the other stuff; films, magazines, toys, lunch boxes, console games and god knows what. The list goes on and on, and it's all carefully monitored for quality and consistency.
Some may worry that RQ would be 'dumbed down'. But why can't there be more than one option? Glorantha could be the 'expert' or 'advanced' setting. There could be entry level settings too. And what's the big sniffiness about 'generic', (i.e., pseudo-Eurocentric), settings anyway? Tolkien created a masterpiece exclusively referencing European culture and myth. Greyhawk is one of THEE greatest
gaming worlds ever created. Look at Midnight or Dawnforge or the Hyborian Age, too. A lot can be done by talented writers. When I think of great game worlds, I think of things like Judges Guild Wilderlands. It wasn't a masterpiece, but as a swords & sorcery sandbox, it had no equal.
However, I think it takes more than one or two historical supplements. It makes me worry for Mongoose when they mention redoing things like Samurai and Pirates, they're
never going to set the best seller charts alight.
Maybe better to have a go at releasing some colourful RQ spell cards. Or producing a 'RQ Lite' as a free pdf, (with cool art, of course

). Just try something new. The grognards like me may not buy spell cards, but I'm not the future.
Like Einstein once said, 'Madness is doing the same thing over again and expecting different results'. He was pretty clever, that guy.