For what it's worth, I've seen numerous practices and every game while Gillispie was at UTEP, and most of his games at A&M. Here is a bit of a synopsis of what UK fans can expect:
Offensively, Gillispie lives by a few rules: play hard, play smart, share the basketball, take good shots, hit the glass, and value each and every posession. If a guy has a propensity to turn it over, he will not play. If a guy takes bad shots, he will not play. Gillispie breaks players of poor offensive habits from day 1 in practice and then turns them into the type of offensive players that their ability allows them to become, all within the structure of his offensive scheme.
Scheme wise, you can expect to see an offensive attack very similar to the scheme run at Kansas. A number of man-to-man sets are identical. Out of bounds plays are designed to score. His zone offenses are very good, whether it be against an odd-man or even-man front, or against a match-up. He insists on the ball getting to the block against a zone, and he usually has at least a couple of guys with good back-to-the-basket skills who make good decisions. He only recruits gaurds who have legitimate range from 20 ft, so teams will not be able to collapse on the bigs. Overall, his offensive style is based on the talent he has. He likes to push it on most posessions, but is more than happy to let his half-court offense produce open looks. I think that will be the biggest difference that you will see between UK of the past few years compared to next year and the years after that. He does not allow for a ton of one-on-one play, as that tends to lead to selfishness, poor shot selection, and turnovers. One other thing: he is a HUGE believer in a pure point gaurd. Iverson types need not apply.
Defensively, he's mostly a man-to-man guy. He'll throw an occasional 2-3 or matchup at teams, and every once in a great while, he'll throw in a little gimmick like triangle and 2, or box and 1 for a couple of posessions. But 90% of the time, he wants to take opponents heads up. His defensive philosophy will start to take place in mid October when practice starts with his "boot camp." Guys will learn to play harder for a longer period of time than they have before.
Recruiting wise, his track record speaks for itself. Your talent level will increase by leaps and bounds compared to the Tubby era.
The best thing that I can say about Gillispie is that he does not have to have the best athletes or the best talent to win. He is a very good bench coach and knows how to put 5 guys on the floor who can play at a high level together. You'll see a couple of role players who will do their job well.
Guys, you have a great one taking over the reigns at UK. With regard to scheme, bench coaching, recruiting, motivation, etc., I'm not sure I would trade Gillispie for anyone. Sorry for the long post. It's nice to have some hoops to talk about even though the tourney is over.