We had a prerelease for Gym Heroes down here in Chattanooga. Although I don't remember if it was an actual prerelease or just held when the new cards came in.
As far as the game, yes, it was dead when PUSA got ahold of it. For anyone who remembers the Ruby and Sapphire challenge, they're first tournament attempt, numbers were down across the board. Even lower attendance than the (more numerous) Battle Zones (WOTC last tourneys). I can easily see the game fading away then, if not for the dedication of many people (a lot of them on this board).