1) When you search within a thread, in each result there is a massive link to the whole thread, and a tiny link to the individual post. This is, um, backwards. And dumb.
2) Don't know if all threads have this, but look at the "post photos of your rig" thread in the touring forum. Go to the last page (65). There is a "Last" button which takes you back to bikeforums.net. Bug?
3) In forum view, hovering over the mailbox icons results in blank tooltips for some threads, for me. Seems to be the ones I haven't posted in.
4) I see a lot of space between the breadcrumbs line and the next line of text (post new thread in my current case), but applies in other views, like the forum view.
Overall, the new view is an improvement, but seems to be more spaced out. Maybe not a bad thing.