Varied a bit more in quality than it should have. The actual Alan Davis stories were pretty good, and served mostly to tie up any leftover loose ends from the previous 50 or so issues of Excalibur, including getting Jamie Braddock sorted. But the issues not actually by Alan Davis are less successful...
If I had to summarize this story arc in a single word, that word would be: lolwhat.Definitely whenever you are doing a serious story like an AU of the 2000 presidential election, you should be sure to include an interlude where Superman's Pal Jimmy Olsen (things have been published under that title ...