RE:Interim Data...
Based on what is pending and how hard it can be to move the % when you have a certain number already counted, my prediction is that 90,180, 360, 450 pretty much stay the same. 270 should get a bump up based on the big wave of CR at 180 from last time.
Regardless, evein if the CR doesn't change too much, you get higher statistical strength based on the enlargening sample size. e.g. 60% of 20 sounds promising, but 60% of 60 is more confidence inspiring that the first 20 were not just a bit lucky.