First off, I think Volker is pretty spot on
with his predictions. If they'd started by marketing Workplace (the product, not the family) as a 'portal lite' or something similar then it could have completely avoided that whole bizarre weird patch of confusion about what is was and what it meant to Domino.
Also the comment that Sametime has been neglected for too long is very apt. It has.
Ed posted that the R7 upgrade guide is now available, for download or for viewing online. The guide seems a bit light, but for new or inexperienced Admins upgrading to R7 it could add some value.