I have been getting quite a few mails on tutorials or information on QTP. QTP seems to be ruling the roost in the QA functional tools market : -). Here are a few quick links to get started:
QTP Guides:
http://www.qualityvista.com/qtp-guides.html
QTP Descriptive Programming:
http://softwareqatestings.com/content/view/349/180/
A site on QTP:
http://www.advancedqtp.com/
Free QTP guidebook by Dani Vainstein:
http://www.advancedqtp.com/knowledge-base/scripting-qtp/
A good site for articles on tools:
http://softwareqatestings.com/table/testing-and-qa/testing-tools.html
QTP Tutorial:
http://thinh1808.files.wordpress.com/2008/03/qtp-tutorial.pdf