BIGIDEAS  This may be an excellent piece of software but with six revisions and updates since January 2009 it feels as if you are not testing it in advance, you are giving your customers the "opportunity" to do your development testing for you. As far as our studio is concerned we will wait until you have a stable, proven piece of software before we spend hundreds of dollars.  
(Version 1.4)

SURFSPIRIT  It's easy to use, but the interface has useless eye candy than isn't even optimized with core animation etc. About the noise reduction, nothing special, I can get better results with JES Video Cleaner, and this last one is Free, Video Purifier is tooo much expensive for what it does!  
(Version 1.3.7)