Some advantages of Cray also included the fact that your purchase/commission included a cadre of support guys who would pretty much immediately show up with rep

Some advantages of Cray also included the fact that your purchase/commission included a cadre of support guys who would pretty much immediately show up with replacement parts and slide logic boards in/out until your system was repaired. This sort of service speaks to both the kind of modularity that we've lost with SBCs, as well as the enterprise service levels available with high-end equipment like that.