Looks like http://www.devshed.com/ have started a series of Tapestry 4 tutorials authored by Alexander Kolesnikov.
The first part is at http://www.devshed.com/c/a/Apache/Apache-Tapestry-4-Tutorial/ and it sure looks like quite interesting. -- Andreas Andreou - [EMAIL PROTECTED] - http://andyhot.di.uoa.gr Tapestry / Tacos developer Open Source / JEE Consulting