Forrester recently interviewed more than 1,000 enterprise software decision-makers to find out their investment strategy for 2010. The growing maturity of software-as-a-service (SaaS) combined with buyers' desire for solutions that allow them to conserve cash, deploy quickly, and avoid long-term lock-in, means that SaaS continues to gain popularity. While SaaS and cloud offer many benefits and have made significant progress from earlier days where customization and integration options were minimal, they also create new risks and challenges — in areas such as security, integration, and governance.