> How was down climbing the last 400' chute? Was it particularly icy? Were there routes free of water ice?

Richard's pictures from 3/30, looking up:


The storms a week ago, though added a lot to this area. Here is a shot Richard took April 15, looking down from the top. Note the two climbers.
This is Picture 31 from this set.




> do any of the other chutes tend to be easier and/or have less ice this time of year?
No.