Bally's is what it is. It's an OK hotel in a GREAT location on the strip. The rooms in the North tower are nice, but not spectacular. Staff is very friendly and the casino is clean and easy to navigate. The Sports Book is oddly placed downstairs and difficult to find, but it's nice once you get there.
They've added a lot of life to the casino recently with the scantily clad dancers in seemingly every pit ... scenery was tremendous. If you need a decent place to stay in a great location (mid-strip), Bally's is your place. If you want a place to brag to your friends about, you're probably going to look elsewhere.