I've been boating on gas boats since I was young, but this would be my first diesel powered yacht, and certainly I've never owned anything this big (biggest was 28 foot Wellcraft). I'm looking for advice and suggestions, so any thoughts you guys have I'd love to hear. I originally looked at the 43 because it's relatively new, I haven't heard anything bad about the Yanmar's reliability, although the repair bills and parts are supposed to be expensive. The problem I have is that I'd like to spend extended periods of time on this boat, and the smaller salon, smaller flybridge, and smaller guest stateroom seem like a tighter fit. The 45 looks like it grows in all the places it counts. Flybridge looks bigger in photos, so does the salon and the guest stateroom also. Being a few years older for a similar price doesn't seem like a bad thing, but the 671's worry me a bit. I know they're not exactly long life engines, from boatdiesel.com forums I see that they're 1500 hour engines if treated right, and if they've got the ceramic heads I'm looking at trouble. I do like the Oceans but would consider something else possibly. They're the best looking boats of that age and price range I think, and also, they seem to get decent speeds without burning as much as the Vikings or Hatteras' it seems from a quick look. Any ideas, things I should know about getting into a yacht this size, things to look out for or to know about Oceans, or any general comments would be greatly appreciated. Thanks!