You gotta love those online translations. Well, the guy's writing is a bit colloquial, but here's a quick and dirty translation of what he wrote.
Bill
"Since I had some unavoidable personal business to attend to in the morning, and I only had a few things to do at the office in the evening, I headed for PIE.
There was a pre-production DP2 available for handling, so I used my DP1 to take some movies and record the actual response [of the DP2].
During continuous exposure, it took about 1 minute to switch from MF to AF.
However, the Sigma dude said that this response will possibly be changed in the production model. It was not exactly slow, but ...
There's no question that it has gotten faster. To check the image quality, I put my SD card in and secretly tried it out. I was allowed to test it out, and I took the images with me. But I can't show them to the public.
To show some examples of how Sigma is coming along, I'm making a menu on my "Sample Images" page, but you'll have to wait a while for that.
Well, since it's almost 9 o'clock and I haven't done any work yet ..."