Camtasia Pro required - English speaking

We require a 'Camtasia Professional' to create some simple, but professional training videos based on functions on a Windows 7 Operating System. These will need voice guidance - which must be strong English. You will need to have access to a Windows 7 machine - preferably a VM or other 'clean machine'. The initial project is to produce 11 videos based on the content at:- [login to view URL] 1. Accessibility 2. Aero 3. Desktop 4. Jumplist 5. Libraries 6. Peek 7. Shake 8. Snap 9. Snipping Tool 10. Windows Search 11. Windows Taskbar You must be able to provide examples of some recently created videos including your voice over before we will consider your bid. With your bid and examples please indicate your timescale to complete the project.