I have been a SLR/DSLR user since 1990s, my first cameras include Nikon N90s and FE-2. About 3 years ago I switched to Canon EOS-5D and then the Mark II.
Recently I bought a Nikon J1 for wife and decided to give it a try on my vacation to China. This is pretty much the first vacation I didn't bring a SLR/DSLR along with me. Very happy with the J1, appreciate the size/weight, especially when climbing mountains. With a 10-30mm plus a DX 70-210 I got 27-560mm coverage, plus excellent video -- all in a ridiculously small package. And the price? $400 for the body plus 10-30, $200 for an adapter(which sucks!) and $150 for the 70-210mm, total $750. My Mark II body alone cost me $2000.
This makes me wonder, is SLR heading to tomb? If you compare the testing result on dpreview, under low ISO it's hard to tell the difference between a full frame DSLR and a mirrorless. Although DSLR still have clear advantage on high ISO, I am afraid it's only time that technology will catch up and the gap will shrink(Don't think technology will eliminate the difference completely, but may make is smaller).
DSLR will always be appreciated by pros, that for sure. But for everyday amateur users, it doesn't seem to make sense to pay so much more money and carry so much weight for only limited advantage?
Just some thoughts, I am keeping my Mark II.