Re: Mercury v. Volvo v. Evinrude
If were talking I/Os, the engines themselves are mostly the same and the real difference is in the drive. If the boat I was considering was offered with a Merc Alpha One or Volvo SX, I'm taking the volvo every time. If the boat offers Bravo drive and duoprop options, then its more of a toss up. But, you need to consider authorized service center proximity to you, and the fact that Volvo parts are generally more expensive.
As for outboards, Volvo doesn't make em, and all major brands are generally pretty good... You will get opinions every which way. I've only owned old mercury OBs, personally, but if I was to get a new one it would probably be an etec