Bob:
(Feel free to use this on your BERU blog.)
I like the large number of G HQ stations in BERU.  UK&CD stations make up the majority of QSOs in my log, and probably the majority of every non-UK BERU log.  The many HQ stations add to the fun for me, and do nothing to drain away activity.  It’s a real treat to move G HQ stations from band to band.  I see no reason to change the G HQ call signs.  G#6XX, G#3DR and GB5CC are like familiar friends now, and I’m sure they must be the most fun stations to be at in the UK.  Renaming them with RSGB suffixes is not neccessary.
In the rest of the Commonwealth, there are only a few places where HQ stations make a difference to my score.  It can be hard enough to find three stations on one band from some of Canada’s less-populous provinces, so with the exception of VE2, VE3, VE7 and maybe VE6, the Canadian HQ stations are just one more 25-point station to work.  I rarely find so many ZLs or VKs on any one band that an additonal HQ station from  ZL or VK really improves my score.  The various ZL6es and the VK#WIAs are fun to find, though.  I do like being able to work a fellow VE9 for points.
So, in short, I don’t see a reason to change from the current HQ station arrangements.
I must admit that the “latitude factor” applied to the Team Competition has irritated me.  It seems the top Canadian team always gets beaten by the top Australian team, not because they out-scored us, but because they were out-compensated by us.  Having done a couple of BERUs from the other side (9M6 and ZL7), I understand the value of the “latitude factor,” but after many years of organising Canadian teams, our consistent losses to correction have sapped my enthusiasm.  I would be delighted to be freed from the job of assembling teams, so if the committee were to simply take the top five scores from each area (UK, VE, VK, ZL, RoW) then apply the pre-determined “latitude factor,” I would be grateful.  I recall the team competition started with a sport analogy.  Perhaps the team competition could be adjusted to be more like UK football, where teams end up in one division or another based on performance.
BERU is still my absolute favourite contest.  A little tinkering might be okay, but I’m averse to large changes.  What we really need are more sunspots, no amount of rules adjustment will change that score.
73,
Dave VE9CB