Came across this article on io9:
10 Worst Mistakes that Authors of Alternate History Make
An interesting read, and some good tips to work on if you might be thinking of working on a novel that plays with history.
...not that I know anyone planning to do that.
...Really.
Oh, and they added this one this evening:
Another Mistake That Alternate History Authors Fall Into
Enjoy.
As for me, I'm editing (still). It's like writing only less fun.
But it makes the work so, so much better.