3D modeling software
I use Rhino, because it is fast, straight-forward "designer-friendly" modeling software.
rhinoceros
Motorcycle Design
I am the member of the motorcycledesign -association. General info about the the people and the business.
motorcycledesign
Car Design
This is a really good website in the area of car design.
cardesignnews
Concept Design
Very good friend of mine, and hi-end 3D professional Heikki Anttila.
Good selection of links to other good concept design websites. Check those weird Pseudo movies too.
projectkerosene
Concept design and illustration
Hyper-talented illustrator Graig Mullins and well-structured website too. His talent is truly amazing.
goodbrush
MotoGP
If you like motorcycle racing, this is an essential spot for you.
motogp
...and Googling.
Plenty of Googling.