I like the idea of the general template modification area, but there is little room for a beta mod section, even with PHPI; the simple reason being is that since 80% of the template modifications are HTML based, you can not really beta HTML.
As for the sub-forum display, if it actually looked nice, I would add it back, but lord it looks like crap when you have sub-forums -- no offense to vBulletin, Jelsoft, or the Developers, but that is one feature that could be left behind and without

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