Re. the shutter revelation: it of course also depends on what you're used to, which in my case was SLRs - I've never used a film Leica M - so to me the M8 shutter was a big improvement!
I had a go with a friend's M8-2, but I found no difference in use and handling from my M8 (although I admit I have re-covered it in grippier leather). The slightly quieter shutter wasn't a big deal - can't say I noticed it really. I don't use 1/8000 s very often, but I think that's more useful - after all, compared with other cameras, the M8 shutter isn't loud, and is definitely quieter than many.
I would like the more accurate framelines, though - I compensate for the iffy M8 ones, but even after 18 months' ownership, this is still not wholly automatic.
Anyway, what I'm leading up to is that I really can't see this "night and day" difference - and it doesn't seem a very objective or logical review to me, though of course there is no reason why a review should be objective!