Pink Floyd and the Beach Boys are both incredible in their own, very different ways.
Whoever started this thread, you may just be listening to the wrong stuff. As a huge Pink Floyd fan, WYWH doesn't even make my top five favorite albums. Shine On and the title track are some of the best they've done, but the rest of the album is pretty generic and bad. Welcome to the Machine, while a fan favorite, I believe, is just near terrible. Have a Cigar isn't that great either.
If you don't like DSOTM, then I guess you're lost, but you really should try as it is one of the top rock albums of all time. Also, as others have suggested, try Meddle. Echoes (the song) is essential Floyd.
BTW- does anybody know if the Live 8 concert is going to be broadcasted? Details?