Hey folks

Wife is due an upgrade and is toying with getting an IPHONE 4 she already has a 3GS and isn't really bothered about waiting till the 5 comes out. I have mentioned I would give her my IP4 if she wanted and I would get something else.
So here is the dilema
If I decide to go away from apple and to ANDROID what is the best on the market at the moment and how easy is the UI? Finally I only use mac at home so would that be an issue for rooting etc??

Cheers

Jaygo