If you're on a Mac and you're using Safari you might like Urly (http://www.zenonez.com/urly/news.html http://www.zenonez.com/urly/news.html). It lets you make

If you're on a Mac and you're using Safari you might like Urly (http://www.zenonez.com/urly/news.html http://www.zenonez.com/urly/news.html). It lets you make a pretty basic stack of browser links. If you don't like that (and you're a Quicksilver user), it might be worth writing some Quicksilver triggers to push and pop urls using a text file as a stack.