I went into the Phantom Menace cold, which was not an easy thing to do given the marketing push that came with it. I managed to avoid every commercial, every piece of product placement, and every description of what was contained therein. To give you a frame of reference, the biggest spoiler I knew about the film before seeing it was that there was a character with a double ended lightsabre. So, with Jar Jar, at least, nothing about his reputation preceded him. Seeing it for the first time I can recall being largely disgusted with the character. I didn't think he ruined the film, that much I agree with you, but that's mostly because the film was already pretty awful.
Even the good parts were largely soulless. The lightsabre fights, while extremely well choreographed (and Ray Park is always fun to watch), lacked any sort of emotional component. Most of the defenses about the prequel films seem to all revolve around how much better the lightsabre fights were, and I couldn't disagree more.
I didn't hate the podrace, but I felt it drug on for far too long, and really seemed more like Lucas just inserting a masturbatory gag-fest as an excuse to "show more cool stuff"
I don't remember being angry at the film when I first saw it, anger came later when things didn't improve. Mostly I remember a general sense of disappointment. I wasn't bored, precisely, so I guess you could say I was entertained, but I wasn't pleased with my experience.