about Redo plasma, yes I have modified it quite a bit, but haven't released it yet, since there are a few bugs. if you want to try it out:
[link]About the dock, its actually a panel:
[link]From left to right: spacer(flexible), activity manager, spacer,quickaccess, spacer, shelf(new documents), spacer, shelf(systemtools), spacer,shelf(opendocuments),spacer,smoothtasks(from source),spacer(flexible)
ps: your english is great