Believe me, I do know all the options out there and have tried them all, This is part of what I do for a living. I run IE with everything open, even more so than default. I'm just smart about what I click on. Albiet I am behind a Cisco PIX 501 firewall at home but that another story. I am not down playing Firefox, Its great for what people use it for, I used it for a year and enjoyed it but for my needs there were too many compatability problems. I just think people down talk IE too much when for the most part its their browsing habits to blame.
In the past year, I have not had a single detected issue, virus or spyware. So I am not correcting anything but having the proper security is ALWAYS recomended. Firefox or Opera or IE I've seen COUNTLESS completely messed up systems with any and all browsers.
ps: I love the czech Repub by the way, my band toured Europe earlier this year and we played in Prague, beautiful, really friendly locals as well.