That sounds outstanding. I've heard great things about Super Potato. Admittedly though I didn't visit it as I don't really have any interest in vintage gaming anymore.
On a related note though, I see Japan uses 100V for their power supply whilst the US uses 120V ? I'm from Australia which uses 240V so many older appliances you'd have no chance of using here without a stepdown transformer. I'm curious if your Super Famicom worked OK back in the US?
Out of curiosity, what was the pricing like for the food and service at the butler cafe? The maid cafe I went to was one called maidreamin. Here's a photo I took of the English menu. They do different packages, and you can get a commemorative photo and clear folder.
AKB? Are you referring to AKB48? I do recall seeing a AKB48 themed cafe...
Are you referring to Nakano Broadway? Lots of second hand anime merchandise: blurays, DVDs and figures. I was surprised to see the Digimon Adventure Japanese DVD box set, RRP 50,000 yen and it was selling for like an inflated 70,000 yen as it was out of print. THOUGH I imagine that would severely have dropped now in price with the new original Digimon Adventure bluray set coming out.