Developing guide http://corrinosoftware.com/how_long_does_it_take_to_make_an_iphone_game
Fossil
A new VCS system, named fossil.
http://blog.mired.org/2011/02/fossil-sweet-spot-in-vcs-space.html
Compare TFS against others
If you want to select in between different source control tools, I did some search on the internet and found following articles with comparisons:
Happy reading.