You know what you honestly should do is read the SSD's for the money article that tomshardware puts out. You list a lot of 120 gigabyte ssds's that are all in the same sort of range.
You know you are going to get better performance with these. Neutron I'm not famliar with with corsair I think that is there enthusiast line not quite sure. Sandisk I don't see to many rocking them. Crucial m4 is amazing but getting dated.
here is the latest one from Octoberhttp://www.tomshardware.com/reviews/ssd-recommendation-benchmark,3269.html
this page will help you more so if you aren't looking to read.http://www.tomshardware.com/reviews/ssd-recommendation-benchmark,3269-3.html