Well, I only actually went for one day, but I have a few things to say, at least.
GenCon is different than any anime convention I've been to. There didn't seem to be so many panels. There were a lot of booths for different game companies and a lot of people playing games. "Artist Alley" was a thing, and there was a dedicated author's section that made me quite happy. It was very...crowded. Hard to deal with at times for a person with social anxiety, but it all worked out. I met some cool artists, including one whose work I've admired for a while, and picked up a nice little stack of business cards. If I wasn't so poor I'd hire most of them for visual novel shenanigans.
I wish I could have stayed longer, to tell the truth...I wanted to see more of the con and I wanted to see my family more than I got to. But, you know, financial obligations and impending doom.
I have a number of pictures on my cell phone that will eventually make their way online, probably to Instagram, which I do occasionally post on.
Also, driving a nine and a half hour drive alone is interesting. It's freeing not to have to make conversation all the time, and to have the ability to stop wherever the damn hell I feel like. That said, it was hard in the mornings, when I was getting so tired that I had to pull over. This did lead me to discovering the joys of five-hour energy shots, which helped somewhat. I made terrible time both ways, but eh, who cares.
I guess that concludes my ramblings. I wouldn't mind going to GenCon again, but there's that awkward thing where next year it conflicts with AnimeFest, which I wish I was going to this year and had hoped to go to next year...So we'll see what happens.