I generally prefer FF because that's the one where I have the ad blocker installed. I luuuurrrve my ad blocker! However, I also have a paid account on LJ, so the ads shouldn't be there in the first place, so it should be reasonably safe in IE.
ETA: Now I have a mental image of you engaged in the fine traditional sport of grouse-tossing.
Re: build a better mouseover, Firefox!
ETA: Now I have a mental image of you engaged in the fine traditional sport of grouse-tossing.