Incredible Animation!!!
http://www.studiodaily.com/2006/07/cellular-visions-the-inner-life-of-a-cell/
David Bolinsky: Visualizing the wonder of a living cell
http://www.ted.com/talks/david_bolinsky_animates_a_cell.html
Check out Cells Alive!
http://www.cellsalive.com/
Sheppard Software's Cell Games
http://www.sheppardsoftware.com/health/anatomy/cell/index.htm
Explore Cells Here with lots of other links
http://www.neok12.com/Cell-Structures.htm
This link is pretty cool, too!
Virtual Lab - How Do Animal and Plant Cells Work - Glencoe
www.glencoe.com/sites/common_assets/science/virtual_labs/.../E08.html