What product of Microsoft Sharepoint product and technologies is best for your enterprise. We will try to understand various constraints which can help you evaluate best product for you. But to start with lets compare the features
Feature
WSS 3.0
MOSS 2007
Portal
My Site Personal Site
(Personalized Area for User)
Content Syndication
(RSS Feeds )
Site Directory
(Automation of Creation of Sitemaps for better navigation interface to users)
User Profiles Store
(Users can create and save there profiles)
Target Audience
(Use of Pages & Web parts according to specified Audience)
Mobile Access
(Sharepoint on Mobile)
Portal Site Templates
Sharepoint Sites and Documents Roll-up Web Parts
(List of sites user is part of)
Integration with for Access 2007, Excel 2007, PowerPoint 2007, Word 2007 and Outlook 2007
Integration with Sharepoint Designer 2007
Colleagues and Memberships Web Parts
(Users belonging to same Distribution list)
Collaboration
Task Coordination
Surveys
Wikis/Blogs/Forums
Workflow
Document Collaboration
Issue Tracking
Lists
Team Sites
Alerts
ContentManagement
Document management sites templates
Records Repository
Document Workflow
Integration with Microsoft Information Rights Management (IRM)
Page Layouts and publishing
Web Page versioning
Design control via master pages
BusinessForms
Web Browser controlled Forms
Form Import Wizard
InfoPath Integration
BusinessIntelligence
Business Data Catalog
(To integrate external data )
Integrating Business Dashboards
Web Based Integration of Excel Services
KPI's
(Key Performance Indicators)
Report Center
Search
User Interface/Search results
Searching Enterprise Content Sources
(Search files shares , Exchange folders , Business Data etc)