Alyson Hannigan did better, but they were quite OK, in my opinion. They didn't butcher the language or anything… I've seen much worse, like Winona Ryder in Francis Ford Coppola's Bram Stoker's Dracula!

Another Buffy refference, albeit stealthy, is the language they used for the spell: Romanian, just like the one Willow used to stick the soul back into Angel. :) As a Romanian, I was quite giddy…