Best Days to do IOA/US, DC & KSC?

[Kayeil]

Hey! I'm typically a big planner - but I'm stuck! Can you help? We'll be arriving on July 31 (Saturday) and leaving August 8 (Sunday). We want to pack in a lot by doing WDW (3 days), IOA/US (2 days), Discovery Cove (1 day) AND Kennedy Space Center/Cocoa Beach (1 day). It's our third trip in 10 years - so we have an idea what we want to see. New to the agenda is Discovery Cove and Kennedy Space Center. Are there recommended days of the week to visit these attractions? Discovery Cove still has availability any day that week. I realize I need to firm up our intinerary - perhaps I'm afraid of making a wrong decision . . . if there is one. Any suggestions out there, my friends?