1. INTRODUCTION  
2. METHODS  
2.1. Model equilibrium  
3.2. Radially extended disks  
4. QUASI-CONTINUUM MODES  
5. SARI AND MRI IN ACCRETION DISK EQUILIBRIA  
5.1. Vertical localization  
5.2. Field orientation  
5.3. Magnetization  
6. DISCUSSION AND CONCLUSIONS