1 INTRODUCTION

2 OBSERVATIONS  
2.1 PACS  
2.2 SPIRE  
2.3 Confusion Issues  

3 SPECTRAL ENERGY DISTRIBUTIONS

4 RESOLVED MODELING  
4.1 Image preparation  
4.2 Model creation and fitting  

5 DEBRIS DISC RADII  
5.1 Theoretical explanations for the differences in radii  

6 SUMMARY OF RESULTS FOR INDIVIDUAL SYSTEMS  

7 RADIAL EXTENSION OF DEBRIS DISCS

8 CONCLUSIONS