Well, with the top rack, you can install any top case you wish.....same for the side rack/saddle bag mounts.
The prices are for the mounts only...no bags/cases included. There are so many different saddlebags and topcases out there, its up to you to decide which model you want.
The top rack is just this:
and the top rack plus side cases is that (above) plus these, so it would be all this in total:
EDIT:ooops...sorry, I see where I screwed up. on my previous post, I meant "$310 for saddlebag mounts and TOP CASE
RACK (not a top case)...