OP: please post a link to the actual public rack - so we get click-through and infomatics - jpgs are next to useless - for helping us help you!
my basic thoughts echo @LYFoulidis
I would strongly suggest doing a lot more research before starting buying anything!!!!
at the very minimum: read through some other newbie threads - see what others have been advised in similar situations (there are thousands and thousands of these - you may be special, but you are not unique!)
"some of the best base-level info to remember can be found in Jim's sigfile" @Lugia
Utility modules are the dull polish that makes the shiny modules actually shine!!!
sound sources < sound modifiers < modulation sources < utilities