Well, a PC case that needs to accommodate quite a few different standardized drives that must be accessible from the outside isn't really an ideal case [no pun

Well, a PC case that needs to accommodate quite a few different standardized drives that must be accessible from the outside isn't really an ideal case [no pun intended] for an extravagant design approach. Apple did a much better job at that with the iMac and G3/G4/G5 tower designs by hiding the drives behind flaps or custom faceplates.