How to Host MySite and Top Level Sites on Same Port in Sharepoint 2007(MOSS 2007)

I have been trying to host Mysite and our Intranet Top Level Site on the same Port of MOSS 2007, after googling found an excellent articale on how to do the same. check Chris Johnson blog
http://blogs.msdn.com/cjohnson/archive/2006/09/15/754902.aspx