I have few useful links for you:
If you are looking for timing belt tool set here's the link to relevant eBay page:
Personally, out of all choices, I have chosen this one (works even on my new 2012 VW Sharan common rail engine):
If you are looking for new parts (belt, pulleys, tensioner..), here's another eBay page that will give you quality choices at a good price:
Here's the link with full description and extra information and images/diagrams (also available in PDF format):
Also in addition, because it's PD engine, for perfection torsion value needs to be adjusted, here's good article about it: