Features / Usability

Thank you all for your very useful replies!
Good news then!

Yes: as for the PDF feature my goal is to let my readers to "build" their own eBook by allowing them to choose the wiki pages.
No problem for the mPDF implementation schedule: it will take time before having so much content to create an eBook.

I can wait for I don't have knowledge of PHP coding.

I think I'll start with the blog and the related wiki pages.
The strength of TikiWiki is I'm able to select the features I need now and add the others as they are required.