1) more nodes stuff
2) new "simple input mode" (more pstricks like input)
3) plotting interface to gnuplot
4) xfig interface
5) Syntax extensions, such as easy color specifications.
6) rotated shadings
7) option to reference nodes defined in other pictures
8) shading as a primitive like fill or stroke
9) Honor \graphicspath command.
10) vtex support.
11) dvipdf support.
12) Integrate pgf-extension-1
13) Integrate pgf-extension-2
14) Allow CMYK as basic color model for shadings.
15) Add options for anchoring nodes on the border, not in the center.