Recently I looked into using a ncomputing device to provide mult user capabilites to a slightly up-spec PC (i7 with 6GB Ram), but I found that the ncomputing devices dont support either Vista or event Windows XP 64, meaning that the ncomputing can't be used on any more advanced Windows XP workstation than simple XP Pro 32bit.

So I looked around, and found a hack to allow Multiple RDP Access on Vista Business 64 on this page - http://xlnk.me/3p

A couple of extra things I found are: