Funnily enough, the first two songs were much maligned in their own time for bringing Eurovision down as a festival of nonsensical, overly simplistic pop tunes... They are nevertheless enjoyable, as are surprisingly many Eurovision classics from all decades. BTW, watching Massiel's stage movements you wouldn't guess she went on to become a successful actress (and quite embarassed for her entry for many later years, both due to the entry itself and the circumstances that brought her on stage).
What is fun about the ESC is the wide, and wild, variety of music present on stage. There are trends and there is obvious repetitiveness, as the ESC's reflect the spirits of their times, but that's what makes it the wonderful "musical train wreck" as Terry put it aptly. I believe, however, you'd find a bit for yourself even this year. Check those out:
...and Germany's near miss:
Germany had a really strong final this year, much like 2006. Out of the Big Four, they probably have the best selection of songs in recent years (since the Vorentscheiden returned to Hamburg).