I don’t think a digital piano will make you regress, the technique that you have already developed will still remain, but I’m sure there is only so far you can go with a digital instrument.
I have one of the mid to high-end Clavinovas ( clp 370); cost me about £1,400. It’s a good instrument, but after owning it for almost two years now and am at early intermediate level I’m definitely feeling restricted and frustrated buy its limitations.
The touch of it is not like a real piano. When I first started taking lessons on a grand the touch of the acoustic felt weird and unnatural to me. Strangely though the digital piano did manage to help me develop an understanding of the keyboard and touch to a relatively ok level. Both piano teachers I had did say I had a very good technique for my grade level at the time. I’m quite sure the digital piano helped a bit in this area.
I have tried out a few really terrible acoustics mostly they are console pianos by good makes and they are much more money than the Clavinovas. If space is a problem for people I recommend a digital instrument over a console piano or smaller. The sound of these tiny acoustics is very much like a cheapish keyboard in my opinion- very bright and no bass. So even Clavinovas have a better sound, in some respects. The Lager the piano are better the sound – unless is a cheap make, then the touch is also rubbish.
As for other things my digital piano can’t emulate well, is nice chipped staccato sound you get on a real piano - hindering any subtle expression. The pedals on my Clavinova are pretty bad for pedalling technique I think. The only pedal I’m happy with but never use is the sostenuto pedal, but I haven’t tried one on a real instrument either so can’t say if it really is good or not. All the pedals are far too stiff, the una corda doesn’t work at all and the damper does not behave in the same way as an acoustic one.
This is bad for me as I learned a piece with pedal at home on the digital and it sounded good. In my lesson I tried to play the same piece with the same pedalling and it turned into a burly mess. Damper pedals are much harder to use on an acoustics as you need to be very careful and subtle with them. On digitals you can get away with over doing it and the sound is quite forgiving. This is really annoying as I am restricted to playing the piece without pedal or need to choose pieces that don’t need any.
My advice is get yourself a good second-hand piano if money is a problem. You can get some very nice makes you couldn’t afford it they were new. Nextweek I should be getting my first acoustic piano which is a lovely second-hand Bluthner upright! Can’t wait!
