1 INTRODUCTION  
2 DATA AND SAMPLE SELECTION  
2.1 NOAO Fundamental Plane Survey  
2.2 Data from the Sloan Digital Sky Survey  
3 RESULTS  
3.1 Dependence on the Presence of a Cooling Flow  
3.2 Magnitude Dependence  
3.3 Dependence on Location in Cluster  
3.4 Dependence on Cluster Mass and Density  
4 DISCUSSION  
5 CONCLUSIONS