Bluemagic--Yes! That is where I am coming down on this issue, too. And ITA on the uselessness of "computers" being 20 minutes of edutainment.

We just got smartphones (yes, just) and the thing I am excited about my DD using is this:

http://www.creatorverse.com/

Everything else she's been doing so far I consider pure frippery--not that frippery is bad, in its place. Interestingly, though, Creatorverse is her favorite "game." (She thinks it's a game and I'm not going to argue.)