QuickTestPro from Mercury will automate browser actions, but it costs several thousand dollars per seat and uses VB for scripting, which you proabably want to avoid. Mac OSX's automator may do what you want.
What exactly is it regarding perl's automation that you aren't comfortable with? I haven't used Mechanize, but I'm sure a well designed script would be reasonably robust.
Also, a quick google search for "ie automation" gives several automation software vendors, plus this: Samie, a perl module for IE automation.
How can you feel when you're made of steel? I am made of steel. I am the Robot Tourist.
Robot Tourist, by Ten Benson