Thanks for the replies. It seems that Seiyo Ginza is certainly among the top hotels in Tokyo with a boutique feel, a focus on service, and a very good location. Since it's cheaper than FS Marunouchi by a lot, I've tentatively decided to stay at the Seiyo Ginza. (PH and GH looked good, particularly the GH's location, but are quite high priced, especially for Hyatts; Tokyo or not, it's still a Hyatt.)

Curious about the location for the new MO and any up-to-date info on expected opening and general rates. My impression is that it will be a lot like the Park Hyatt, situated atop a tall building with equally sky-high rates.

Again, I appreciate the guidance. It helped my decisionmaking a lot.