I find playing an acoustic piano more fun and satisfying in various hard-to-define ways, but digital pianos are fine too. It's a matter of preference and convenience more than anything else.

My digital piano actually gets played more these days, but that's just because I like to play in just intonation or non-equal temperaments, and the digital piano is easier to change. My regular piano is currently tuned to just intonation relative to the key of D, which doesn't work for a lot of songs.