Hot review: MySQL 5.0 has arrived and, while it adds enterprise-class features that make upgrading mandatory, the open source database’s management and development tools fall short. “MySQL 5.0 may not be on the same competitive enterprise playing field as the established big four databases yet, but MySQL admins would be foolish not to implement version 5.0,” writes Sean McGown, in Long-awaited MySQL 5.0 makes its debut. Open source: The Massachusetts CIO who championed the use of OpenOffice resigns, raising the question of whether the commonwealth will still move away from Microsoft. Best of the blogs: Ed Foster posts several reader comments concerning fair product return policies, including one who found he couldn’t take back a defective KVM 14 days after purchase. The news beat: Looking ahead to early next year, the latest and greatest gadgets head for CES, namely high-definition, portable video and home networking technologies. Toshiba, Hitachi and Renesas consider a joint chip foundry that would serve all three companies. And the Virkel Virus strikes MSN Messenger users under the guise of a sneak peek at the latest beta of Messenger. Databases