This is the collection of resources I have gathered over the course of my preparation for the Microsoft Exam 70-542.
The primary reason for collection this information is that there is no comprehensive resource for this exam available on the net, unless one opts for a paid resources. After working more or less exclusively on SharePoint 2007 for last 2 years, I see no reason for me to go for paid resources. Most things are already available on MSDN and hundreds of blogs.
If you have any resource you want me to include here, do not hesitate to post it in the comments and I will include it (of course with attribution) in the guide.