Thank you all for your help. I did attend the service this morning: I showed up for the last few minutes of Orthros, the full Divine Liturgy (including a memorial service for the reposed at the end), the cutting of Vasilopita, and introduced myself briefly to the priest at the end (but then ducked out quickly for reasons I'll explain momentarily
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Overall, I loved it! It was simultaneously very similar to the Lutheran services I'm used to (one of our liturgies is based almost entirely on St. John Chrysostom's), and remarkably different (and not only because it was half in Greek, though that was an extra challenge).
The church was beautiful - having Icons all over the place was stunning, and gave me something to focus on when I had no idea what was going on during the service. The Iconastasis is quite something to marvel at.
Some things raised questions -- do you guys always speak/read super duper fast? This isn't intended as an insult, it's just something I noticed. The creed, the Lord's prayer, basically everything that wasn't chanted/sung was read at a super fast speed (oftentimes it was fast in Greek, and then the second time in English it was slower)
At the end of the Liturgy when I went up to receive the blessed bread and the priest's blessing, I kissed the priest's hand (this was interesting -- he explained why it is proper to do that in his sermon, since the priest's hands have been consecrated and handle the Holy Things) and he gave me bread, I introduced myself briefly, etc. Then there was a guy who had a tray of Holy Water that he was handing out. Behind me was a girl around my age who introduced herself to the priest as a parishioners granddaughter. The Holy-Water-distributor asked her if I was her brother, to which she (naturally) said we were not. Then he asked if I was her boyfriend and we both laughed and I probably blushed and we said we were not, to which he responded something like "oh good, you young folks stay away from that stuff". So that's when I decided to leave instead of going to the coffee hour
But like I said at the start, I did enjoy my visit. I will likely be attending another Orthodox Church in the future when I am back at university (this is my last week of winter break). I am still not sure if I desire to become a catechumen, and I'm unsure as of this point in time (merely a few hours after the Liturgy) if this is influencing me one way or another, or just providing me with more information about Orthodoxy. In any case, thank you for all of the advice, it made this experience much more enjoyable.