Not sure why Michael would retract his original statement, based on a few sigma lenses, and an overpriced pannie product!
I have to say that in this game if anything is to be learnt its that you dont mess with formats...aka APS film, 110 film...all dead...
4/3 is doomed, it may wriggle and moan a bit, sure its had a minor improvement, but this patient is in intensive care...he may have opened his eyes..but thats it!
4 years ago 4/3 looked ok, now even some say APS-C is on a limited time scale..who knows..
I think Olympus made a huge mistake going 4/3, I dont care for the aspect ratio a whole lot, though sometimes its ok (for non landscapes), leaving that aside, you have a situation where Olympus users were denied affordable lenses (tamron etc), by ignoring the main market..
4/3 is the format that could live as a super budget option, problem is its in denial, so are Olympus, and those viewfinders are not too great either! Gotta be said...
Why pay more for less???