I know this isn't what you asked, but it might be relevant: I took biochem (MCB 102) at Berkeley over a summer (2009? I think?) and I HIGHLY recommend doing this. It was a very well organized class and I benefited from not being in other classes at the same time.
I know some people that took ochem&lab at Berkeley over summer. I heard it's intense (because it is so compressed), but I think it's not super hard to manage because it should be the only class you are taking during that summer session.