Hahaha... baby goo!!! On the Mac?!?! Are you sure that's her fault?
Anyways, I have an X Pro 1... it's meant for someone who already knows about photography. It's more "tech-y" and complicated (some prefer "quirky") than you think and your wife might get discouraged from using it after awhile. It's a photographer's camera... for someone who can appreciate the amazing pictures that the awesome sensor can produce. However, you have to put up with a few frustrations along the way to get those pictures.
I say stick with a DSLR, if not a 7D, then try a t3i. The ergonomics and responses of a Canon DSLR are far greater than the X Pro 1. I had a 7D and used it a lot, but I sold it and bought a t3i. The t3i... I love the compactness, light weight, and it has the same sensor and many other features of the 7D. I like to describe the t3i as a 7D without the weather sealing, weight, and fps... but WITH a swivel screen (super awesome). Do you think that your wife is willing to learn photography in the rain? Will your wife or yourself be able to take advantage of the 8fps? The t3i will produce the same image quality as a 7D, but you'll save a bit of money in the process.