The gets kill that idea for me.
Life is too short.
The standards set by the best browser of the moment are quickly picked up by anyone else that wishes to stay in the fray. I have little time enough to keep up with the content and links I am trying to diseminate and manage. If we consentrate our time and efforts into improving the standards, formal or defacto, the user and we will be much better served. Add user features not webmaster toys. This the user can benifit from and would be a true boon to webmasters and users alike.