I'll be blogging in Hebrew and English alternatively, just for my own twisted fun.
Here is the presentation and demos of the ASP.NET AJAX Nuts & Bolts lecture I have at Developer Academy II. The demos cannot be run as is, at least because a database is required containing a table called Atlas, which has a Country and a City columns. But, it's probably beneficiary to view the LINQ to SQL code and the various JavaScript code snippets.
ASP.NET AJAX Nuts & Bolts presentation
Demos