GoogleDocs is good medicine ....

I proffer this as evidence that I did create a form in GoogleDocs
http://spreadsheets.google.com/viewform?formkey=dFhFVjY4UVp5Rl8wVG81VWdGbzctTHc6MA
I was one of those who thought GoogleDocs had great possibilities, not least because of being part of a Regional library in an earlier life. However the one time I was invited to particpate in creating a document via GoogleDocs it didn't work for me. But I still think in theory it is a great application!!
I had a look at the "list of 100 great Google doc tips" and thought the editing tips the most useful. Being able to make changes at the same time and sharing without emailing is at the heart of what makes GoogleDocs really useful. The ability to view various versions over time and if necessary choose "revert to this one" is very practical. And I rather thought I read somewhere that it was possible to colour-code alterations from individuals which would allow one to identify who was making the 'strongest' contributions and who was perhaps altering the underlying philosophy or didn't quite understand the intention of the document. And if I did imagine this it would be a useful refinement ....

IGoogle, IDo!

I did try to print my screen to show off my IGoogle page but despite doing my best to follow the Internet Centre Manager's instructions nothing happened so back to the verbal approach .... the Tea house theme for the background, plus ABC News, BBC News, a ToDo window and the Sydney Weather Radar (I would have liked to find something closer to home but haven't managed it thus far .....). Actually it looked OK and had the sorts of things that I would find useful when coupled with some of the defaults.
If I was someone who used the Internet a lot, particularly the social uses, the IGoogle would be very useful at the personal level. I don't know that it has as much application in professional usage but the plethora of sources and services available as part of Web 2.0/1 makes such a management tool almost essential for anyone who is asignificant Internet user. As the notes say it is like a private web page. Professionally the widgets would not be appropriate and the social contacts would be much more streamlined so not the same need for a management aid.
I looked briefly at the others mentioned but thought that iGoogle with its blending of social and informational resources would be my choice. Shareoholic looked very useful for managing social links.