The bigger and weightier housing of the E-3, perplexes those who thought that Four Thirds only was about a tiny sensor. The E-3 sends a strong signal to the photographing market, that the Four Thirds is not that tiny, that has been manys prejudgement. I think that the bulk of the E-3, is the spearhead that changes the perception of that the Four Thirds circles only about the sensor size.
Heres some comparisons, just for fun of it:
With a registration difference to the Canon EOS (44.0mm), the Four Thirds (38.67mm) camera can only be built 5.33 mm thinner than the EOS1DsMkIII or the EOS40D.
Likewise, and hypthetically, with a sensor difference of 13.8mm (H) and 9.2mm (V), a Canon EOS-40D can only be built that smaller, compared to the EOS-5D.
So, how much smaller can hypothetically a Four Thirds camera be built, compared to the APS-C or 24x36mm sensor camera?
Table of weigt, size, environmental seal, and price in SEK:
Nikon D3 1300g 160 x 157 x 88 mm miljötätad 48000 SEK
Canon EOS 1DsIII 1385g 150 x 160 x 80 mm miljötätad 77000 SEK
Canon EOS 1DIII 1335g 156 x 157 x 80 mm miljötätad 36500 SEK
Canon EOS 5D 895g 152 x 113 x 75 mm ---------- 24000 SEK
Olympus E-3 810g 142 x 116 x 74 mm miljötätad ????? SEK
Olympus E-1 660g 141 x 104 x 81 mm miljötätad
Olympus OM4Ti 510g 136 x 84 x 50 mm miljötätad
Olympus E-400 375g 129 x 91 x 53 mm ---------- 4500 SEK
)miljötätad= dust and splash proof