The newly created GableStage arrived with a bang on the staid landscape of South Florida theater last season. To be precise the company started off with a muscular production of David Hare's Skylight, only to follow it up with the most compelling combination of programs and performances in the region. Ranging from the familiar (Steinbeck's Of Mice and Men) to the spanking new (Patrick Marber's Closer, in its first production outside New York), artistic director Joseph Adler's choices of material, production standards, and the crackerjack performances he gets out of his actors are consistently engaging and becoming more exciting all the time.