specific car forums are the best place to learn about new
products!
if u search for info for particular products online, u'll most
likely get articles promoting the new product.
Its only in the forums that u'll know if they are really worth the
$. Also, by reading what combination of performance parts ppl with
similar cars to urs have put in, will u know what works and what
dont.
As for people who want to show off, u'll get them in every forum.
You dont have to read what they have to say if they piss u off.