These are my favorite cake related websites. Some of them are friends too, so please visit and take a look at their beautiful beautiful cakes.

Forums:

Kageportalen/Nordic Cake Decor (not English)
Cake Central
Sugar Buzz
eGullet


Personal/business/other:

Klappeklappekage.dk (Danish)
Kagedrømme.dk (Danish)
Kagekonen.com (Danish)
Kagetosse.dk (Danish)
Sukkerkunst.dk (Danish)
Natis Cakes

Cake Face

Cakes By Francesca
Gunilla Wall's Cakes (With an English version)