7B28 differences/issues: First, this build installed over 7B21 (upgrade option) with no problem which was a great relief. Blue progress bar in the installer is broken (flashes black and white as has been reported by others earlier). Things feel a touch zippier since 7B21 (which was already fairly zippy). I've had Mail crash on me whenever I try go reply to or forward messages from my in-box. I've also noticed the "compose" icon in mail now simply says "new". The latest version of Safari seems to have updated security certificates (I've been using a particularly picky website as a benchmark that, until this build, had kept me using Camino because Safari would not work. It is not an issue anymore) but it crashes more frequently now. The Finder has crashed a few times on me which never happened in previous builds. The Expose hot corners are still too sensitive. And my screensaver hot corners do not seem to be working. The selection in the number of passes for secure trash is gone. The trash icon in the Dock still appears full after emptying trash. And when you open the trash after deleting, the files still appear to be there. Only when you click on them or try to drag them out of the trash does the Finder realize the files are no longer there. The top of the finder window is a bit narrow so labels on the bottom of files that you drag to the top of the Finder window do not display. There seems to be a new option in the general preferences of the Finder which allows you to select or deselect whether or not hard disks, servers and iPods are shown on the desktop (this may have been in 7B21 and I didn't notice it). Happily, the iTunes/iPod synch bug has been fixed. iTunes still seems to crash if you over-tax it (trying to move around the iTMS too quickly crashed it repeatedly for me. Sometimes the pull down menus over-write each other in the menu bar at the top of the screen. The hard disc specs (number of files and space available) which usually appears at the bottom of the Finder window will pop up randomly in the middle of a folder. I'm not sure I have seen anyone mention it before, but there are a couple of cool new features with Classic. You are now able to access a pulldown menu of Apple Menu Items from the Classic/OS 9.2.2. The icon in the dock while starting Classic fills with color as it is starting up. And a new Classic menu bar icon displays gray when Classic is not running, orange when it is active, and blue when it is idle. The issue with the battery charge time in the menu bar now seems to be fixed. And Panther continues to sip battery power more conservatively than Jag-wire. iSync has stopped working for me in the latter days of 7B21 as I got dialogue box warnings that the version had expired. It is back, and updated (from v.101 to v.109) in 7B28. There is some new text in the help menus about using "Common Access Cards" which we will probably hear more about when File Vault is implemented. When dragging files out of the finder window, and passing over the iDisk icon, the system stalls while the iDisk is mounted to the desktop (even when you weren't necessarily dropping files there).