Some suggestions for futur changes :
(..) Organ sounds

Did you try VB3?

I fear it's technically impossible 

1) a "prepared piano" :
http://en.wikipedia.org/wiki/Prepared_piano

2) coloration adjustement for sounds : metallic , wooded, organic

3) Keyboard split

4) Organ sounds

5) Programs change memory controller (midi)
(To have by exemple 3 sounds on memory and to change from one to another by pushing a button). When i use A and B, the sound stopt. I would like play a chord, change the sound, don't wait a time of loading and play the new sound with always the oldest in the speakers.)

6) For beginners (my niece start piano..)
Show a little score in a window and show notes to play in red on piano keyboard during a song played

7) A hold midi switch

Greg.

It's cool we're gonna have 48-core CPUs in a few years

If we don't stop coming up with these off the wall suggestions, we'll need 48 cores. 

G

Seems as though there are several sound sources there, though--each part of the action, each key, the bed itself, and probably much more. Wouldn't be easy.

One thing I'd love to see (hear), though I'm not sure it'd be possible, would be when if the keyboard was mic'd up with the microphone right by the keys that you could actually hear the keys physically being pressed and the subtle thud effects of the key pushed and returning back into position (nb not the sound of the hammer).

Good idea. It would sound something like Imperfect Samples thingie, right?

I'm not sure my description is 100% clear, I'm suffering from one hell of a hangover and concentration is a bit of an issue today !

Talking about vary a bit...    WHat about modartt add a option to play the cimbalom with spoons and forks ?

http://www.youtube.com/watch?v=LtWt6f74mnc&NR=1

Háa háaa...   

Well, perhaps some things was found by just accident, or trying and trying add trying...

I was thinking if in some years modelled technology could be used to help to design  andcreate and aprimoration of real pianos.

Think with me...  instead of try change many things, like change the wood, build a new shape for harp and soundboard, or make small changes in the string, which take time, money and effort for each single try, they would just design a new piece, new shape, on computer and emulate how it would sound.
By this approach they could try hundred changes more than by traditional manufacture of new experimental pieces.

Aliquot stringing is an extra string which is not struck by the hammer but shares the same damper as the other three strings. The extra string vibrates sympathetically with the other three strings. I don't know of any manufacturer other than Bluthner who employ this technique. It certainly gives a Bluthner a distinctive sound which is not to everybody's taste but I love it, especially for quiet pieces such as Chopin's Berceuse or Debussy's Clair de Lune. Ive never played a Bluthner but I've been told that the action is very heavy, possibly because of the extra weight of the damper having to cover four instead of three strings. Again, everything is a matter of taste and professional pianists will all have their own preferences. I prefer a heavy action because its harder to hit a wrong note (but I'm not a professional). Cross resonance between strings is not a feature which sampled pianos can adequately reproduce primarily because of polyphony dropout. The sounds of a modelled piano like PTQ evolve in real time (using real, not quantised numbers)  so at every sampling instant (every 22 microseconds for CD quality, faster if you own PTQ Pro) every note sounded depends on what other notes are played, the position of all the dampers, how loud the notes are sounded etc, all calculated in real time using all available parameters. The extra string could be added as a parameter to PTQ and its effect adjusted accordingly. An extra parameter may take up a few megabytes of RAM in PTQ but extra sampled recordings for one parameter change could take up several tens of Gigabytes of hard drive space in a sampled instrument.

I took some convincing that modelling was the way to go. Last year I'd ordered the Garritan Steinway and received a reply that Garritan would not be shipping until further notice, so I cancelled the order. It was a colleague at work who showed me PTQ so I downloaded the demo at home and within a couple of hours of trying it bought a licence and have never looked back.

Greg.

Isn't Pianoteq's "Duplex Scale" equivalent to aliquot stringing? Or is that something different?

Greg.

Err, in a word; "No".
and "Yes", it is something else (entirely).

There is quite a lot of confusion because the terms are used in the descriptions of each other's implementations .....approximately that (-:

I can only suggest you "look 'em up", sorry but my descriptions can't match what you can probably find in a 2 second search.