Might be worth it in a datacenter, especially if it's operating other servers alongside (perhaps I/O bound web serving or something); perf/$ does matter, defini

Might be worth it in a datacenter, especially if it's operating other servers alongside (perhaps I/O bound web serving or something); perf/$ does matter, definitely, but the state of the art is moving quickly (getting faster/more efficient) and optimizing some models for CPU is still relevant IMO.