Good, but hardly the best
I've yet to hear a less than competent performance from Alsop, and like her Brahms for Naxos, this is just fine—but the competition in this symphony is truly ferocious; on eMusic you have the superb Fricsay, along with Szell, Neumann and Paavo Jarvi (and that's just the cream); elsewhere Bernstein (arguably still the best of all), Kondrashin and Harnoncourt. You will not be disappointed, but there are far better performances out there.