From what I have read from http://www.dota2.com/
Icefrog (the current map holder for DotA) is working with Steam on a independent client based DotA remake.
Check out the Url for more info, Pretty stoked about this :)
I Have been an avid DotA player for almost 6 years now. I love the game, and have become quite good at it. I may not be the best player, But here I will show you some of the tips I have to offer!