IMO, it's one of the best 3D chess games available. I'm a very novice chess player, so being able to "beat" the computer at this game is a very rewarding accomplishment for me as I've had my ass handed to me too many times by chess computers over the years where I've been totally turned off by the game. I like that it has several levels you can progress through.
I've downloaded several trial-ware chess games and I don't think any of them can hold a candle to the graphics of this game. I know there probably are some that look better, but at least it doesn't cost you anything extra with this game. I never installed Vista so I guess I missed out on the game.