The browser download URLs, from 37signals’s announcement “Phasing out support for IE 6″:
http://www.microsoft.com/windows/downloads/ie/getitnow.mspx?wt_svl=10005WDH_OS_Other1&mg_id=10005WDHb1http://www.mozilla.com/en-US/firefox/http://www.apple.com/safari/download/
As Denis says, you can pretty much type apple.com/<productname> and expect it to either work or at least redirect. Firefox’s URL isn’t too bad; Microsoft’s could use a lot of work. In fact, anything past the /ie/ is or should be completely redundant.
This isn’t just a minor nitpick. For one, it really shows which company’s culture emphasizes simplicity more. And, you can be sure which of the three is least likely to change after a re-design…