These ideas have been considered and favored by Mugglenet Fan Fiction moderators and are currently in serious planning mode if not implementation already.

Alternate Fundraising Options
Ad-Friendly Skins
Epilogue? What Epilogue Warning - Added!
Random Story Function (specified ratings optional)
Severus/Lily Category - Added!
Posts Counted in Poetry, Anyone? Forum - Added!
TriWizard Tournament
Profanity Warning - Added!