This looks like a good place to see the differences in the sizes of models. Those Primaris Marines are bigger than I suspected.
Thank you for sending in the links on this.
http://steppingbetweengames.com/new-8th-edition-40k-models-size-comparison/
Not certain where this originally comes from, as its been all over today. This could be the source.
Zamerion on Warhammer Aqui
http://warhammeraqui.mforos.com/389007/11982493-comentarios-40k/?pag=60