This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Yes, plugin Form makes very easy to deal with Ajax! I forgot to tell that if you install Firebug in Ubuntu via Synaptics (the package manager) it works well with FF3b Anyway, with this problem I've also discovered Tamper Data which I found very useful to work with Ajax too.