An excellent conceptual tool for anyone building a
If you want to sketch out the flow of a SharePoint site Modeler is very easy to learn and do. I've never created a SharePoint site but had a wireframe up in an hour from creating my account. What an excellent service! It includes all the webparts that are included with SharePoint and other custom webparts. I was able to send a link to potential users and have them comment on the site layout and navigation- which is half the battle.
Not sure what differences are not supported between SP 2007 and 2010.
Easy to use-no really!!
Great way to prototype a SharePoint site!!