(1) The userbase is cleaned up from just shy of 48000 to the 1500 or so that it really should be;
(2) Sub-Forums are consolidated significantly;
(3) Whoever runs your IT department (and I know a bloke who could probably fix your phpBB issues in a few days in just his spare time if you don't have a dedicated webmaster for this) installs the appropriate phpBB 2.0 mods
to tighten up registration and posting;
Spambots will degrade these Forums. The volume of spam lately is incredible, especially after a weekend. There are spam posts disguised as user posts reported a month or two ago still up. Why is there a need to do moguratataki
all week long on these spambots when there are fixes available?