Well unless starcounter has actually lived in Rome I doubt that their statement is true. As I mentioned I went in February. It wasn't hot (though was warmer than here), it wasn't noisier than any other city I've been to (well, maybe Venice was quieter but that would be the lack of cars, buses and lorries!) and whilst there were certainly many people around I don't think it was that busy. We walked straight into the Vatican museum yet on the surrounding wall there were signs saying '40 minute wait from here' etc. Just because one person has had a not so good time there doesn't mean that you won't enjoy it. Go and try for yourself!