I'm so relieved to have found this site.Our Vet rang me this morning and gave me this web address.Our 7 month old Georgie suddenly started having fits just before he was 6 months,then this last 3 weeks he's been falling over on his walks.We've been seeing the Vet evry couple of weeks and last night he was interested in the falling over ,which is fairly new.Anyway when he rang today he told me about SM and says he's pretty sure this is the problem,though obviously he'll have to have an MRI to confirm this.I'm pretty devastated because we only lost our dear Boxer Harry in January to a brain tumour which suddenly appeared in October.I didn't think lightening could strike twice!!Georgie is such a happy little thing and we love him dearly so we're trying to keep possitive.Unfortunately we're going on holiday next Friday and Georgie is going to his host family.The vet says he'll be ok and they're aware of the problem,in fact when they had him for a trial weekend a month ago he actually had a fit on the day he was due home.Anyway as I said I'm pleased I foound the site and feel better that I have somewhere I can come for support.Sorry to go on a bit but this has come as such a shock.One last thing,would anyone advise me to tell the breeder where we got Georgie from about this?Take care,Ginnie