For any of you cynics out there who started to believe that Seven of Nine came to unfairly dominate Voyager, it may be worth noting that her first true spotlight episode came a half dozen episodes into her first season, and it happened to be a strong character entry that delved into her background.
It's true. The things that were most fascinating to the writers early on about Seven (as opposed to what was fascinating to costume designers) were her development as an individual, and how exactly she'd become a drone in the Borg Collective in the first place. And it's really quite interesting, because just a season later, the title craft would be seen in action, and the exact circumstances that led it (and Seven) to this point in the first place.
I used to try and argue that Voyager was far better at multi-episode story arcs than it was given credit for, but I guess what fans actually wanted was a series like BattleStar Galactica, which pleased a small but vocal audience when BattleStar Galactica finally happened.
"The Raven" is the kind of episode that helps define what exactly the creators of Voyager thought would be interesting to do in the vein of what fans wanted, even if it wasn't exactly what they wanted (but then, small audiences can like whatever they want to).
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Memory Alpha summary.