BZPower IS reliable. 

Look people, listen to me for once. 
Greg Farshtey, writer of the Bionicle books, comics, and more is a active member of BZPower who awnsers members questions and gives them new info.
The webmaster of Bionicle.com is a member and former admin on BZP.
They have new news stories every day.
Look at this. Members are getting offended and pissed off. Is that the kind of exposure you guys want? There is a member sticking up for Wikipedia, though. -