The iGoogle pages now have "tabs" on the left side. I only use one tab, ever, so I don't really have any use for them. Is there a way to minimize them so they don't take up a bunch of space?
As far as I can tell, this doesn't seem possible via iGoogle's settings. A lot of people did not seem to like this decision when it was rolled out (google discussion thread) and has been asked quite a few times in support (you'll find some suggestions on how to get around this here). To summarize info that is in that thread, you will need to run some script/extension/addon to remove the tabs which are browser specific of course. For example,
Other browsers? Not too sure of but other people can probably add to the list.