There's a certain character that will be introduced later on in your Voyager run who would, despite their unique outfit, be a good fit for gluttony if you call it gluttony for knowledge and perfection.
As for Pride... the Doc beats Janeway. But Janeway can take Wrath... you still haven't seen her more questionable decisions yet.
The rest are good comparisons. Paris for Lust, Kim for Ensign Envy and Chakotay? Oh that guy in the background? I figured he was the janitor who just didn't do anything... well that works for Sloth too!