Toggle Heading Blog Post on the ClickTime Blog

I just published Redesigning Resource Planning for the ClickTime blog. It adapts a lot of content from The Toggle Heading Pattern (or Making Your Pivot Tables Better) post I published here. Give it a read, here's an excerpt:

Over the past few months we made a lot of improvements to the Resource Planning module. One of the changes we are particularly proud of is a redesign of the Resource Planning spreadsheet headings, which makes understanding and manipulating rows and columns much easier.
What follows is a very design-heavy post about some of the challenges with creating spreadsheet applications, a review of the original compound menu headings, an introduction to the new, awesome toggle headings, and the advantages and disadvantages of both...