As someone who owns and uses both m43 (EM1) and FF (5D Mk.II), they both have their pros and cons and one can be better than the other depending on the scenario. Thank goodness we have choices in life and for me, I choose to reap the benefits of both systems at my discretion.
Hell, I could come up with a "Top 10" list of why my compact Ricoh is superior to either of the above. Number 1 on the list would be:
- Because it's discreetly pocketable, even in my front pocket. Tried it with the above and got arrested for public indecency and lewdness.