Yes, it's a pretty good overview article. But it ignores the simpler end of the market (e.g. UserLand's Manila) where there is a lot of value for the dollar. It also is a bit short on fitting document management into a broader set of business and strategy objectives, which is what ought to be driving the investment decision
New Architect: Demystifying Document Management. Quote: "The answer is obvious, but that doesn't damn the functionality of content management systems. The technology plays a vital role in most Web-based initiatives. Rather, Jupiter's findings indicate that IT managers should weigh their options carefully before implementing any CMS."
Comment: Nice overview article for decision makers [Serious Instructional Technology]