Give the new Project Publisher add-on a try...

http://www.projectpublisher.com
The Project Publisher for Microsoft Office Project allows you to collaborate with your teams by linking Microsoft Office Project to any Windows SharePoint Service 3.0 (WSS) or Microsoft Office SharePoint Server 2007 (MOSS) workspace. Using the Project Publisher is fast and simple! Build your schedule or use an existing Microsoft Office Project plan, publish to your Microsoft SharePoint Workspace and share critical tasks, milestones, schedules and project information. It’s that easy!

Publish And synchronize your .mpp files to any SharePoint site

With Project Publisher, you can easily publish and synchronize Microsoft Office Project 2007 to any Windows SharePoint Services 3.0 site. Connect your .mpp files to existing project sites for greater team collaboration and coordination and stay in control.

Flexible Task or Assignment Based Publishing

The flexible Task or Assignment based publishing feature allows you to choose between Task-Based or Assignment-Based task publishing. This allows you to choose the status method best for your project team. Choose Task-Based Publishing option to allow any of the assigned resources to report the overall progress for each task assigned or choose the Assignment-Based Publishing option to allow all assigned team members to report task progress individually to drive overall task progress.

My Tasks Center Views

The Project Publisher not only publishes tasks to SharePoint it creates dynamic tasks views that enable team members to easily sort and group tasks. View My Active Tasks, Overdue Tasks, Milestones, and Project Schedule to name a few.

Task Delegation

The Project Publisher allows Team Members to delegate assignments to other team members. Once approved by the Project Manager all new assignments are automatically updated in the Microsoft Office Project schedule and resources are notified immediately.

Import New Project Tasks From SharePoint

Give your team the power to easily and quickly create new project tasks using SharePoint. Review and approve all new tasks before updating your schedule.

Request, Review and Approve All Tasks Updates

With the Project Publisher you can request, review and approve all task progress and updates in one single view. With flexible communication options you can request progress on individual or all tasks.

Add New Team Members Anytime

With the Project Publisher you can quickly assemble your team and give them access to the Project Workspace from Windows SharePoint Services.

Share Key Milestone Information

Publish key project milestones and deliverable dates and always keep the team informed of major events.

Publish Project Information To A Project Center

The Project Publisher allows you to publish high level project information to a single Project Center list so you can keep sponsors and executives informed of progress. The Project Publisher also creates dynamic views of the project which provides greater visibility and deeper analysis of project status to sponsors and executives.

Publish Resource Information

Publish team assignments and provide high level visibility into resource workload and resource commitments in a centralized place.