I have four 45004's with mini Buttkickers installed on order. I have a full size BK with the couch kit on my couch. I will give you an update when I receive them. I really believe that the full size will be major overkill for the 088's. The mini's can be had at half the price.
Hoping to have the install done by the first of February. I have used Auora pro base shakers in the past and hope the mini BK have more umph ! Good luck Johnathan
The Berkline says, that they do not install the BK-LFEs in their smaller chairs like 088s because there is not enough real estate available under the chair, but if you search AVSForum, you will find that some folks got creative and were able to install the LFEs in the 088s.