I used to be IPhone user, now I became Android Man, here is agood comparison made by a man who used to be Iphone users moved to this side of Android things...
10 things ...http://blogs.techrepublic.com.com/10things/?p=1131&tag=mantle_skin;content
the 15... http://blogs.techrepublic.com.com/hiner/?p=5649&tag=rbxccnbtr1
the 25 ...http://www.zdnet.com/blog/btl/top-25-android-apps-the-best-of-the-best/37363?tag=rbxccnbzd1