When I were a lad (s they say in these parts), I became a great fan of Hornblower, and so I was delighted to discover his spiritual descendant in Honor Harrington. I'm also a fan of David Weber's other work. On that basis, I read and rather enjoyed this latest HH volume.
I do have to say, however, that the proportions of exposition to action are increasing, and I'd prefer abit more shoot-em-up and a bit less political theory. If you're coming to the series for the first time, I'd suggest one of the others ("On Basilisk Staion" or "The Honor of the Queen") as openers. If you're already a fan, you'll probably get reasonable value, although you might feel happier waiting for the paperback.