Canon 5D- a much better camera IMO- if you're going to buy an iEye you might as well get the king. Canon is very good at the auto everything game and this camera is one hell of a bargain at the moment.
If you want a new Leica you've got three choices:
MP, M7 and M8. If you don't want to shoot film but can afford the M8 don't hesitate to get one. Don't listen to people who don’t own the camera or have never set eyes one. Take it from me- this is an amazing photographic tool- one that you can grow into, one that will allow you to grow as a photographer, a camera to challenge your abilities, accelerate your learning curve and reward you with stunning images. Take a look on Flickr and decide for your self if this is a good camera based on… it's images.