Nebraska is at least on par with those schools overall
Not really, he's done a really good job at Nebraska considering he's in fricking Nebraska and nobody wants to live there, plus no in-state talent to recruit. Auburn has Bama,Florida,Georgia,La all close by. He has a very impressive record at Neb considering the circumstances.
He'd be on the Jimbo Fisher level for me, under Patterson and Petrino.. above Smart,Malzahn and others.