Collapse all projects in Solution Explorer

I didn't pay attention to how much does it take to organize (read: collapse) my Solution Explorer. Till today. So I decided to measure the time needed to collapse all 98 projects in my solution: it took a bit less than 3 minutes to bring Solution Explorer to nice "Collapse All" view.
A bit of googling solved my problem:

• http://kylefinley.net/archive/2006/02/02/37.aspx - macro that collapses all nodes in Solution Explorer, but fails to collapse projects in VS2005 with solution folders (bug in VS2005 IDE, VS2003 should work fine)
• http://geekswithblogs.net/scottkuhl/archive/2007/04/09/111195.aspx - does the same thing but additionally contains workaround for bug in VS2005 IDE. The workaround causes a lot of flickering of the Solution Explorer and makes the collapsing to be pretty slow, but at least it does its job.