Karelia Software today announced the release of Sandvox 1.2.1, a significant upgrade to the company’s easy-to-use Web site creation tool. “Version 1.2.1 is a significant upgrade to Sandvox’s performance,” noted Dan Wood, co-creator of Sandvox. “We’ve been able to increase its responsiveness, speeding up the process of creating and editing pages, of navigating through large sites, and of generating HTML.” Sandvox comes in Regular and Pro editions, priced at US$49 and $79, respectively.