I don't know about others, but I certainly am coming fresh to this game. And boy, can I not wait for it! I've already preordered DQXIS, and I'm glad the wait is finally getting more bearable with the game only a little over a month away (although I won't be able to play until November).
I actually learned about Dragon Quest two years ago when I saw some footage from the Japanese PS4 version of DQXI before it was announced for the West, and I immediately knew I wanted the game just because of how gorgeous it was. In this past year I've played DQI and DQII on mobile and just started DQIII just to familiarize myself with the series because I had heard that playing the original trilogy makes the game more enjoyable. I really had fun with DQII, and, while I was playing it, I would imagine battling monsters and roaming around the world in 3D. I just can't wait to go from the 2D sprite work to playing a beautiful console adventure.
I've almost caved into buying the PS4 version on multiple occasions just because it would've been more convenient to play in the summer time, and also because I'm a real sucker for the beautiful, lush look of the PS4 version. However, I just remind myself of how much new content is coming to the switch, and, from what I've seen from the E3 Treehouse gameplay, a video from Gamexplain and more, the Switch version looks like it hold up quite well to the PS4 version and seems like it runs smoothly, too.
Just like you, I think this is the most I've been excited for a game for some years (I've even had dreams about playing it lol), and I just can't wait to experience all that DQXIS has to offer. I'm also trying to avoid learning much about the game or reading/seeing spoilers of any kind, but some things are hard to avoid here and there. And just like you, while there are some things I know about the game/characters/etc that I wish I could forget about so that I could experience the game completely fresh, I still think I will have a great time. DQ in general, and DQXI in particular, with its visual style, colorful vistas, lovable cast, and warm atmosphere just make it so appealing, and I really hope that playing through DQXIS will be like playing through a fairy tale. A while ago, I saw this gif online from some early area in the game (potential spoiler(not really) if you really don't wanna see anything about the game, but its just a video of Eleven riding his horse through a lush area) and it just looks so beautiful! From other bits of gameplay I've seen here and there, it seems like the game is just full of beautiful landscapes and views, and I just can't wait to finally be able to explore Erdrea.
I kinda wish there were more people gushing about their hype online, and I really hope DQXIS sells very well on the Switch, as I think the game has a greater potential audience on the Switch than it did on the PS4 imo. With exposure from Smash and some people's disappointment with SwSh, I think DQXIS really has the chance to be at least a 1-2 million seller in the West if it's marketed well and if the Switch version reviews well. I really hope Nintendo really goes full force with marketing this game as we get closer to the release date, but I'm a bit worried they may just be relying on Smash to market the game rather than their own trailers/tweets/etc (hopefully the trailer they released earlier this week is an indication that they plan on marketing it well, though) and I'm also worried that they might not want DQXIS to overshadow Link's Awakening, but because DQXIS comes out after LA, I think that may not be too much of an issue. So far, I'm happy to see all the positive comments on YouTube videos of DQXIS about people who are excited to try out their first DQ game, and I really just hope that this hype and the number of people who actually buy this game is tremendous by launch day. Thankfully, DQXI has good word of mouth, so hopefully that should convince even more people, on top of all the people interested in the game because of smash.
If you can't tell by the lengthy post, I'm really excited for this game, and I hope it will be for DQ what Awakening was for FE in the West.