I picked ESET out of those options, but I'd go with Kaspersky if I was going to get a paid product. I'd choose Comodo internet security over them all though and it's free.
My opinion is Emsisoft Anti-Malware. Did great in his http://malwaresecurity.wordpress.com/events-list/
Look over and compare. Also,purshupro,you use with other security software.
Answering purshupro question.