I just uploaded the first chapter of the sequel to the Buffy crossover section. You can find it here:
http://www.fanfiction.ws/read.php?storyid=938463
I won't name any names, because that would give the story away, but thank you for the sequel suggestions. I had the general outline, but the gentle arm twisting for Methos to be included among other things made me rethink the plan a bit.
As always, thank you for all the lovely compliments.