Masayoshi-san, Where were you when I needed this advice in the past?
I agree. Don't go to Bagus, at least the sites that I visited (one in Shibuya and one in Ginza). Expensive, an hourly drink minimum, no players. I think Mully once wrote that the Bagus in Ikebukuro was OK, but I never made it there. I never found a good pool room. I wish I had known about these. Unfortunately, I was recently laid off from my job and don't have the opportunity to travel to Japan like I used to.
I also agree with arp to concentrate on the places to eat. I would have thought that raw fish is raw fish, but it is way better in Tokyo. I loved the food in Japan and miss it already. Japanese chefs are artists in preparing meals. The food is beautiful to look at and flavors match from one course to the next. Amazing.
Also, if this is likely to be a one time trip, take a weekend and go to Kyoto. IIRC, there are 17 World Heritage sites in that city. Most towns would be happy with one. I used to take my American friends on tours of Kyoto and have been there 4 times. My Japanese friends typically have only been there once.
You'll have a great time. I am jealous.