I thought BT and Accubonds came out of the same dies for the most part. My WAG is the Partition already meets the need for the 150s so an Accubond would just cut into sales of these.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli