<cynic>
Another victory for MS interoperability policy!
</cynic>
Indeed - needless to say it made me very grumpy to have to do that. I was going to upgrade anyway but not just yet.
The Vista/XP network issue seems well known even within Microsoft and yet they seem to do very little about it. Speaks volumes that people are asking for new PCs to be "downgraded" to XP rather than Vista.