a new InfoTrends survey found the biggest SharePoint-related expenditures were servers and storage, deployment/assessment services, development/maintenance services, i/o hardware (e.g. scanners, MFPs), and additional software.)
There appear to be two broad use cases for SharePoint – using it “as is” as a simple file share replacement or as a development platform for creating a custom solution. However, there isn’t much of a middle ground. This isn’t really a problem, unless you walk into it with your eyes shut. I guess we will find out soon if SharePoint 2010 is going to change this situation.