Here's is the download link.
In this map Tauren Cheiftain skills are now available you can check them. There are a lots of Hero and Item changes and additions in this Dota 6.60 beta 45 map. Looks like IceFrog has done a lot of work on Dota Allstars 6.60 Beta 45 , Great Job IceFrog :)). You can download Dota Allstars 6.60 Beta 45 Map. Play and check Dota 6.60 Beta map Screenshots in meantime while waiting for Official Dota 6.60 release.. Enjoy!!!!
Referer : http://www.dota-utilities.com/2009/05/dota-660-beta-45-map-download-dota.html