Problems with Rising Antivirus 2007?

Hello TechyV Experts!
Has anyone tried the Rising Antivirus 2007? I am an avid user of a free antivirus but I am curious with Rising Antivirus. Is it a good antivirus program? If it is, then I will switch to Rising Antivirus. Can anyone please tell me your experienced with Rising Antivirus? Have you encountered any problems with updates or with detecting and removing the high risk viruses? Please share us your knowledge and expertise. I need to know if I will be using the best antivirus software or not.
Please guide me.
