First of all there's the simple novelty of the time changing. In the same way I look forward to the mail everyday to break up the tedium of a long afternoon, the fact that something in my day or week is different delights me.
I enjoy daylight savings on both ends. In the spring, just when my kids are waking up earlier and earlier... it's time to switch the clocks forward and we all sleep past 6am. Then spring turns into summer, summer turns into fall and I notice myself saying, "we don't have time to brush teeth, grab your backpack we're going to be late for school!" Then we switch the clocks back an hour and my mad dash morning problems are solved. The kids wake up earlier and we have time for proper dental hygiene, a decent breakfast, wardrobe negotiations and sometimes I even have time to braid the girl's hair. All is right with the world again.
An added bonus of fall back is the earlier bedtime. I am a firm believer in early to bed, early to rise -- especially for small children. Please don't tell my kids that not all their friends go to bed at 6:30pm.