>One of those things that Ubuntu has so far failed to do is do a very nice integrated Server-Desktop combo.
Maybe because that's just not their target. Live with it. Sounding great does not always imply being great.
>Ubuntu is having a hard time gaining traction in business,
I do not think so. It is already in the business much to my dismay, because it seems like a totally immature choice. (As you pointed out, it is lacking the certs.)