I definitely don't want a large/upright piano, but instead a standalone keyboard, so perhaps a Synth.
Thing is, I have a Native Instruments s88, which has a ton of options, aftermarket piano kits, etc, however, I pretty much only play The Gentleman sample pack—a piano from 1908.
I barely mess with any of the effects either. I just love playing natural piano sounds, and to be transparent, I'm really working towards being a pianist, but one that doesn't read music. I know that sounds crazy, and unconventional, but I just have no interest playing other people's music (been doing so as a DJ for ages). At the end of the day, I just wanna play, not fiddle with shit.
Anyways, thanks for the feedback guys. I'm looking into the options you suggested, such as the Korg SP-250 and Studiologic standalones with the Fatar keybed (also found on the NI S88). That keybed feels f'n awesome, so would love to continue with this hardware!!!