They fly great if you can get them to stick consitantly. I would give the new fusion vanes a look. They seem to fly just as well as blazers and they are super easy to fletch.
If you want the control of a feather but in a short vane then the only one I have found to work as well as a feather are the NAP 2" quick spin speed hunters.
Blazers are the best of the few vanes I've tried but I'll stick with feathers.They're more forgiving and stabilize the arrow better than anything else plain'n simple.