>My list of private messages is not cramped, but all my other message lists are cramped ( ouch! *grin). This includes replies, and messages received since login. There is not enough vertical spacing.
>
>It started doing this late yesterday afternoon (around the same time that the background colors of messages kept changing).

Yes, it started doing that yesterday as we synchronize the stylesheet with the one we've been using since a few weeks now. As stated, the effect is caused because of all the hyperlinks where the underline is causing it. We'll add an option to turn that off in the account setup in a few hours.