As I always I vote for Eset. Bullgard IS is installed in my Vmware for testing purpose. One day I want to run my own test to decide if it is worthy product. By the way, I have some license for Bullguard IS for 180 days. If someone needs just contact me via PM
This is unnecessary post MalwareTips main page shows a vote pool "Best Antivirus 2015" that clearly shows that ESET gets more votes over others AV. Bullgard is not on that list but it wouldn't make any difference.