I grew up with TNG, and loved it at the time.... but now I find it virtually unwatchable. It's aged terribly
. The morals are trite. The acting and direction are incredibly poor. It's frequently dull as ditchwater. TOS, on the other hand is dated and cheesy but it's fun
. And it's datedness and cheese just makes it more so. It's the characters (even though I frequenty want to slap McCoy when he gets irrational, and Grabby Kirk needs a kick in the balls every once in a while), their interactions, and the adventure that I love.