Oli Welsh from EuroGamer played Star Trek Online at their eponymous expo and posted some impressions here. From the article:

Trekkies can put one fear to rest right now: Star Trek Online feels just like Star Trek.

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It's immediately apparent that developer Cryptic has nailed the unmistakable flavour of faintly cheesy, high-minded, planet-hopping science-fiction with a straight face and a glint in its eye - with an equal love of politics, philosophy and punch-ups.