I've just come across this article about Acronis TI v10 and Windows 7 which may be of interest. http://forum.acronis.com/forum/5908
Thanks, Noreen. I suspect the 'sweaty palm' moments would make me invest in the newer version or, heresy, an alternative program.
The comments afterwards are informative -it looks ok if you a Windows 7 DVD to repair the BCD.