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| p.1 #3 · Thinking of adding a 4/3 system to the collection |
Well, there's actually no difficulty getting a real wide-angle unless you really absolutely need to have legacy glass to do so. There are a number of excellent wide angle lenses available natively for m4/3. Both the Panny 7-14 and the Oly 9-18 are excellent lenses, and there's the outstanding Panny 8mm fisheye and the slightly less outstanding, but still good and much more affordable Samyang 7.5mm fisheye for m4/3.
Between the E-P3 and the GX1 the biggest differences should be this (the GX1 isn't out yet, but from the Panny control layout and the G3 sensor, these can be inferred):
The GX1 should have better overall image quality. The sensor is much newer, lower noise, with better dynamic range. Also, the GX1 will almost certainly be MUCH easier to use. For some reason, the Oly pens have a really awkward user interface. Some controls are only accessible in certain view modes, and it can be a hassle. The Panny bodies really seem to be designed by photographers and are very ergonomic and have important functions easily accessible and positioned well.
The E-P3 will more than likely have better JPEG output, and better out of the box color. I have found that Panny's cameras are certainly capable of excellent color, but I needed a custom RAW camera profile (that I created with the XRite Color Checker Passport) to get those, but now that I do, they're truly excellent). The Pens also just look and feel really cool.
Autofocus should be more or less identical between the two; that is, very, very fast.