i agree on the point that pd need some gui improvments, but for the functionnality only not the way it should look... pd DOES look nice as it is now, it's meant to be a workplace and not a showroom ! I really don't see the point to add 3d like interfaces and heavy design, if someone wants this, well you will have to make some kind of stuff just like ircam has done with the macromedia xtra plugin to control jmax...
things that would help:
are red and belongs to blabla ... this is green and is meant for blabla...)
stm