I think she has some red aussie in her. This is what a purebred red aussie looks like:
http://img210.imageshack.us/img210/7...herdredeb5.jpg
On the adoption listing, it says the dog is Aussie/border collie. But I'm not familiar with border collies or their personalities, so I wanted to see what people thought. Perhaps she has 3 or 4 different breeds in her.