If you’re looking for a grand piano and have a limited budget, this could be an option. Used Blütner grand piano, German quality with aliquot system (additional fourth string in the treble section).
An acoustic grand piano is preferable to digital instruments.
A really well-balanced keyboard
Real strings that move and create a spectrum of overtones
Price: SEK 24,000 including shipping within 50 km
Read more about Blütner on their website.