So far, I'm fairly happy with Internet Explorer 7. They fixed the two bugs that affected me most from the last build.
They fixed the bug where if I visited a site that utilized frames, folders in my favorites wouldn't open until I restarted IE. They also fixed the bug where if I keyed in the name for a site that used cookies and had a cookie existing on my machine at the moment rather than following a bookmark to visit the same site, cookies would appear to be disabled to the site I visited.
Performance is improved over the last build as well, so no real complaints on my side.