I thought it would be relevant to post the results for Best Low Cost Airline (Worldwide and Australia/Pacific)
Best Low Cost Airline - Worldwide
1. Easyjet
2. Virgin Blue
3. Jetstar Airways
4. Air Berlin
5. Southwest Airlines
Best Low Cost Airline - Australia/Pacific
1. Virgin Blue
2. Jetstar Airways
3. Tiger Airways
Source
Great job by Virgin Blue!!
Jason