IndeedLast I looked (IB 1.2 RC1, I believe) the Invision Board ACP was dreadful in my opinion. I really disliked the whole clicking on the plus to open options. I also felt some things weren't were I expected them to be.
As noted, they are "catching up" (not really, but oh well ). All features that everyone seems to be crazy about have been available for phpBB 2.0.x for a long time. IPB seems to model their feature least after phpBB's. Hmm, wonder if they are also signed up to the sourceforge mailing list .. wouldn't doubt it