Is it just me, or does the level of aggregation within 207/8 really suck?
I don't know what you mean. I only see /18s, /17s, /16s, and a couple /14s.
A particular form of suppressing the advertisement of more-specific
prefixes may be broken in someone's network, though. Known problem.
P.S.: Hm, some of our customers seem to be announcing lots of unaggregated
prefixes. I think people know how to avoid seeing these and
in so doing pressure them to aggregate at the source.