Tabbed Browsing Bookmarklet
I'm not sure how I missed this one as I do follow TUAW, but eagle-eyed Chris Davies of MYiTablet spotted this neat little bookmarklet called "Tabulate" to queue pages you want to read. It's like browsing with faux tabs, and you can select whether you want to open a link in the current window, a new window, or save it for later. It's a nice little bookmarklet hack. I've written some very simple bookmarklet hacks myself and researched some of the better ones (see here), but this one might be one of the best I've seen.