@hummpa
Ok.
I have just installed Ambient 1.43 and i find it good. At startup, it consumes only (about) an extra MB from version 1.41.
I haven't test it for CPU usage but it feels almost as fast as v1.41 was. The system monitor reports a _significant_ increase in CPU usage, though, but perhaps it's because it has a graph in this version and the graph steals some CPU cycles.
Btw, i have found that directories which has an old Amiga icon are not clickable! You can not double-click them, move them or anything. You have to do a RMB click and select "open". Do you have this problem?
EDIT: corrections