This is a great keyboard to learn piano?

I am teaching myself the piano on a keyboard while watching YouTube online lessons. While the Seattle Symphony has not contacted me, I have fun. I have a Yamaha PSR-78, but not "the answer to the touch." My keys are a little shorter, but the standard width. And I have 49 keys. Would it be worth the cost of upgrading some thing to "touch response" or size keys, or both? For Indeed, it might actually consider buying a piano but not for a year or two when I hope to play better. Any suggestions as to brand names or model numbers?

Get something with weighted keys and full scale. weighted keys means that the keys have some weight in them, like a real piano. You need to get the dimension keys comfortable playing on other instruments. If you get a baby with the keys will not be able to fit most pianos, you can try to play.

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