IBM on April 7 launched a major push to win over new system integration partners, especially integrators specializing in Oracle databases and Sun Microsystems hardware with the introduction of two new server models including an x86 Unix System and a System z mainframe scale system. To sweeten its pitch, IBM is planning to spend up to $500 million to help credit credit-worthy Sun Business Partners become resellers of the IBM server and software packages. IBM officials said these initiatives are an effort to stimulate the integrator channel as the world continues to recover from a prolonged economic recession.