[luuio]

I share exactly your sentiment. The snappy on/off is what makes the checkbox satisfying for me. The "ding" whenever you check an item off the list in Wunderlist comes to mind.

[smusamashah]

Microsoft Todo does a nice "ding" when an item is checked and that item disappears. I find that very satisfying.

[MyNameIsFred]

MS ToDo was hewn from the corpse of Wunderlist. It's the same "ding".

[spandrew]

Yea excellent example. Much more satisfying!