I, perhaps, can answer a portion of your questions with some thoughts on
news content management from someone who has worked for several medium to
large daily newspaper's online presences.
News portal - I am currently developing code to create an intranet editorial
system, with archive and asset
The three first are the most recognized brands for content management
software, at least among industry journalists. For anyone previously
involved with content management of a large scale site, Interwoven's,
Broadvision's and Vignette's high-end suites, respectively, are
probably the default
