Evans seems a top bloke - no issues with him hosting whatsoever.
Top Gear though... it changed from being a car show, to a child's entertainment show, years ago; by that I mean that the whole "hammer fix problem" acting of Clarkson and the feigned shock by Hammond and May, just became too cringe-worthy.
Don't get me wrong, I have watched it, and I have enjoyed it - but it (IMO) was becoming less and less about the cars, and more about daft experiments - entertaining as some were.
Personally, I think Clarkson is quality, but he seemed to be getting more and more like Chris Moyles; a God complex or something.
Hammond - meh, he's ok, no issues - and ride bikes
May - absolute legend, really, this guy is the best bit of the show!
Back OT - I think Chris Evans is as good as any of the others for the role, and I'll happily watch the show if/when I catch it.