Lumix G 35-100 f2.8 : Is it a DSLR killer?

Lumix G 35-100 f2.8 : Is it a DSLR killer?, video and article.
One more perspective on the mirrorfree revolution.

2.5 kilos vs 1 kilo

For extremely blurred backgrounds, you can't beat full frame, that's about the best reason left. But the image quality is about the same, and the M4/3 gear is almost half the price, half the weight, and half the size.

BTW, with Photoshop CS5's Quick Selection tool (by the Magic Wand), one can often make a good enough selection quite quickly, and then blur the background to heart's content. Example:

I messed up the selecting by her knee, but this was a very rough-and-ready job, took a minute or two even being not familiar with the tools.

In other words, if you only need very soft backgrounds occasionally, this is not even a reason to use full frame.