I went to College in Buffalo and when I return to visit friends that still live there I often stay at the Hyatt. While it's true it's not the typical Hyatt the staff really is great. Jimmy at the Front Desk cracks me up and always gives me a nice room even though I'm only there twice a year. I've stayed at all the surrounding hotels except the Assembly suites. Stayed at the Hyatt is an easy yes because rates are low, product is consistent and location is OK.

Ranking of Downtown hotels
Delaware Mansion
Hampton Inn Suites
Hyatt
Comfort Inn Suites
Double Tree
Adam's Mark
Holiday Inn