I have worked with Silverstripe before and as you mentioned about CraftCMS I find it flexible and lean compared to Wordpress - I feel like it is much easier to

I have worked with Silverstripe before and as you mentioned about CraftCMS I find it flexible and lean compared to Wordpress - I feel like it is much easier to be close to the data etc so great from a developer point of view. It is OpenSource and has been chosen as the common web platform for NZ Government so presumably this means it hosts some pretty large sites.