I was messing about with a couple of M4/3 cameras a couple of weeks ago. Once you put a zoom on them, they are anything OTHER than "compact" (but you knew that).
Looking at the IQ out of most of them, my old trusty backup D3000 is a good match. In my view and if IQ is your #1 priority for anyone on a tight budget (not Mrs M, I am sure), or unless you really do need a non SLR type of body, I'd say you'd get better results out of a D3200 or a bargain D3100 than an M4/3.
Interestingly the D3000 and until this week, even the D3100 bodies and kits all seem to be on some kind of special offer or dare I say "clearance" right now (oops, should not have used the "clearance" word, but there you go). Not long now before more rumors?
The Xpro1 seemed bigger and feel more "chunky" in the hand than the Sony to me, not that the Sony is small or toy like (see my remarks above about how big things get with a telephoto zoom lens on), but the Fuji was just a little bit "more"... Maybe I just prefer the more traditional shape and proportions?