Finally watched Scrooged all the way through after nearly my entire life and I cannot begin to understand why people dislike this movie. Murray is excellent as always, playing the type of 80s business suit that we've all come to hate in a loving way in film. It had the right amount of light humor and drama, with a healthy dose of dark humor that I love. For an update of a supposed classic, it does a good job of making the whole thing relevant to the age in which it was produced, but it didn't reek so much of the era that those after it couldn't enjoy it.
The only problems I had was at the very end; the first was where Murray gives his speech at the end of the movie. It felt a bit preachy and forced. I get that his character has had a change of heart, but it was as though he gained a completely new personality at the end, rather than having his eyes opened and realizing the error of his ways. The second was the cornball bit of him talking to a theater audience, trying to get them to sing... that's something I felt they should have filmed an alternate scene or something. Especially since this was the era of VHS and films on video.
All in all, I love the film and my only problems came at the very ass end... and one is a minor nitpick. This movie should be a staple of any Christmas viewing experience... or rather, any movie night if you haven't seen it before.