Haven't run into any problems yet, except font size seems a bit odd. At a particular setting they will be quite large on some sites, rather small on others, and sometimes with an odd ratio on different parts of the same page (compared to the Feb daily build).

Update: OK, screwing around with screen resolution (you have to lie about the length of that line) and font sizes gets everything pretty much useful. I can even make the InfoWorld forums readable, but posters titles aren't visable except by mouse-over.