Funny how that works out for the companions. The one I had trouble with was Donna. Not sure why and not all the time. I like the actresses character on The Office, though.
Yes, Matt Smith is great. Some of the episodes last fall were okay, but the last one where Rory and Amy left was terrific.
I've always wondered why they don't swing large sledgehammers at the angels. Did they ever say? Seems obvious to me.