co-inventor shuns the CD

Hi res or uncompressed (in a data sense) downloads will doubtless be available, but I'll bet that 95+% of sales will be MP3 or some other compact format and that not every release will have hi res or uncompressed options.

Always remember that quality audio is a niche, not mainstream, and for the vast majority of people, the differences between compressed and uncompressed formats are negligible and unimportant- but they DO know that they can get thousands of MP3 songs onto their iPads.