I'm glad to see a lot of = 4 digit user ids here. It's amazing how many of us are still around, even if we are not very active.
In the long run btrfs will be good to have, especially with solid state drives gaining popularity. Even embedded devices can easily have multi-gigabyte flash chips, and btrfs would be faster and more efficient on these when compared to jffs2 and yaffs.
and when they shut down WoW, we will have a true revolution.