Graphic design templates

• StockLayouts.com - a collection of templates for brochures, newsletters, flyers, business cards, letterheads, menus, posters, etc.  Support for a variety of software applications.  Also search for templates by industry (ie., professional services, medical, travel, etc.)
• CrystalGraphics - tools, templates and content to enhance Microsoft Office programs including PowerPoint, FrontPage, Outlook, and Excel.

Professional graphic designers

• Elance - a huge database of freelance graphic designers.