Oh wow, Sarah, I missed your announcement! Congratulations on the birth of Juliette - she is just gorgeous!
I too think it sounds great. I used to wake Natty up for feeds at night, but given my time again I wouldn't. I suppose it is just about what you feel comfortable with. If you are happy doing the cluster if it means you and Juliette get a good block of sleep, then by all means do it. I would agree with you that she's just using the time after the big sleep to 'catch up' by feeding more often.