Sebastian_Cano-Cowles Welcome to the community and the Nothing ecosystem! Which colour did you go for?
One of the classic things some users miss is to download our icon pack to get the full monochrome experience: https://play.google.com/store/apps/details?id=com.nothing.icon&hl=en_GB
I would also spend some time configuring your Glyph settings to ensure they won’t go off too late into the evening - Settings, Glyph Interface, Bedtime schedule
I use my 2a plus without a case and find its holding up well - I believe Spigen has a good offering of 3rd party cases to check if ours is out of stock.
