Is it possible to merge computers?

Borked windows on my X2 3800 yesterday and had to format, so now it has a new id. This is one of my Resevoir Dog rigs with over 20,000 points. I had about 30 wu's in que also. Is there a way to merge with the old one? How do I get rid of the old wu's from the results? Or should I just run the WCG on it? Any help would be appreciated.

Thanks.

You should be able to merge that one, the new ID doesn't prevent it.