Those links are definitely worth checking out. dotproject seemed pretty decent, interface-wise.
A couple of them are open-source, so we might consider looking at how they work as well.
One thing our company will likely need is the abiliity to associate structured data with each project. For example, details on the product (if the project is product related), and who in the graphics department is working on it, etc..
It's probably a little early to be making comments like this, however.
