Google is now displaying some sitelinks in the old syle – multiple links on the same line, but with fewer displayed. There are also cases of more than one domain getting site links.
One example is restaurant supply (this is also returning local results for me based on IP address).
Google Sitelinks - restaurant supply
The query I found amusing is for books
. Notice this shows the newer style links, two columns and more SERP real estate for the top result. The secondary result gets the truncated sitelinks. Coincidentally, Google gives the top spot to Google. I’m sure with enough searching you could find similar presentation that does not favor a Google property.