An Urqhart win would be something of an upset here, since Rollins won the backing of the state GOP. Both are richie riches, though, so I can't say who I'd prefer to see Dem John Carney face in November.
UPDATE: Earlier this evening, we asked on Twitter: If Mike Castle were to lose the DE-Sen primary, would the DE-AL GOP primary winner step aside and let Castle run for re-election to the House?