I just got my spanking new MacBook Pro 17" the other day, and I must agree with Lasse - it is probably the nicest laptop, I've ever owned.
OSX is great. So far no problems, except it does take a little getting used to, installing application by drag'n'drop.
I have a few issues getting Finder to show me the content; the way I like it - but I guess I'll get it working eventually.
More to come...