1. Introduction  
2. Observations & Analysis  
2.1. Selecting the RASS/BSC INS Candidate Sample  
2.2. Follow-up Swift Observations and X-ray Archival Data Analysis  
2.3. Individual Objects  
3. Discussion  
3.1. A Targeted INS Candidate List  
3.2. The Relevant Populations, and eROSITA  
4. Conclusions