Scorpion Exo Vega Mach Or Scorpion Exo?

Vega mach or Scorpion Exo? - scorpion exo

I have a lot of work in this area. Arai Schoei and knowledge are the best, but I decided to slightly cheaper (not tell me that I spend as much money as the value of the head, unless there are reliable data to buy and links to reviews and reports to support your request). I read very good reviews in the Scorpion Exo (http://www.webbikeworld.com/r2/motorcycl ... but can not find information about Mach Vega (or Vega in general) is to be found. What would you choose (Thank you, between the two)? in advance ...