The view from up top is quite nice, but personally...

The view from up top is quite nice, but personally I felt underwhelmed by the overall experience. We had reservations, so we didn't have to wait long. I can't imagine waiting in a queue for hours for it, there are so many better things to see in London.
Also, the Coca-Cola branding and renaming comes across as very obnoxious to me, taking away from its status as a landmark and turning it into a sort of advertising prop.