Power users and those interested in all around “how my memory is being used” information might find the new VMMap tool from Sysinternals interesting.

VMMap is a process virtual and physical memory analysis utility. It shows a breakdown of a process’s committed virtual memory types as well as the amount of physical memory (working set) assigned by the operating system to those types. Besides graphical representations of memory usage, VMMap also shows summary information and a detailed process memory map. Powerful filtering and refresh capabilities allow you to identify the sources of process memory usage and the memory cost of application features.

This borders on the ‘too much information’ category, but is actually quite insightful. For example, use VMMap to look at the ‘firefox.exe’ process and you can see an incredibly detailed breakdown of how the memory is being used.

While this probably does not appeal to the average user, I can see how this would be a useful for developers.