I'm looking for same quality filaments.

I’m looking for same quality filaments.
I live in Belgium and mostly order from the Nederlands.
I use to order from http://123-3d.nl
But I would like to know if there are better alternatives

Another good Dutch supplier is http://www.reprapworld.com

On sale by Velleman Belgium or Charlies 3D his website http://www.charlies3dt.com/