Agreed - there are many improvements:
Engagement with the community is continuing - they are already collecting issues for the next
faq - I would rather they be doing that than just igoring everything as they did on 7th ed.
The gernal rules work fine and I think many players do need to read the recent pdf which talks about the changes between systems.
There is also
def room for improvement in terms of the iritating need to keep looking at various charts to work out army costs rather than the dataslate.