a mini batch file in your start menu, when you're debugging the application startup of a .Net application, and keep wanting to restart it:
taskkill /im aspnet_wp.exe /f if not errorlevel == 0 pause
taskkill /im w3wp.exe /f if not errorlevel == 0 pause
which does the job much faster.
Assuming, of course, that your reason for wanting to do an iis reset was to force a .Net application restart. And you don't mind forcing all running .Net applications to restart. And you're not on a busy production machine at rushhour.