I have some suggestions
First we have seen allot of Ijoomla products but we did not see a full running site  explaining all the feature at least like template site www.jooml art.com  when they release any template they have run a full site explaining all the feature and how to use that components in detail because we have to assume  that  the people they don’t have much experience in installing and configuring compentontss as much more information we have s much the components will be very popular also
Second we need to see allot of comparison at least between the free components in  Joomla and what is the unique in that components Example  virtue mart and digistore . and how is the digisrtore  handle the users with huge traffic  and a comparison  with other shopping carts