Tried and tested online kit suppliers:
Hannants
NKR
Hobby Link Japan
Hobby HQ
Misterkit

Kit reviews:
smakr
Aircraft Resource Center
Hyperscale
Modeling Madness
J-aircraft

Private aircraft modeling pages:
geocities.com/Fredgeog/
Fighters72

General Aviation:
Stinson Flyer (Source of this  background picture)
Russian Aviation Museum

General Modeling:
Weblinksonline

Others:
http://www.bcentral.com/fastcounter/