a good option for us at the time (sounds like it would be for you, too). It was "good enough" to get the kids started. When we could afford it, we bought an upright piano.

The most important thing, IMO, for an electronic piano is how the keys feel when you play them. This one claims to have a good, realistic action. Assuming that is true, then it would be a good starter keyboard for your kids. You want the keys to have the same resistance or weight as a real piano, and you want the piano to play louder when the keys are struck harder, and quieter when they are played softly. If you don't have that, then the learning curve is steeper when going from the electronic keyboard to a real piano. And if you do have that, then they end up being pretty similar.