The Redmax 8050 has been gone for a long time now unless a dealer just has some NOS models sitting around. I think you guys are referring to the 8500. That model is the same as the Husky 580.
Both the 8500 and 7500 are well ahead of all the competition (and the older Redmax models) in blowing performance. There are a ton of threads on this subject here over the last 2-3 years. Just do a search and you can read for a long time.