Replying to ARV VS AR7 VS OTHER

Ok so this will be my first pair of twins ever. I have manliy used groomer skis and right now i have a pair of nordica sportmachines. I would like to get into riding park and riding switch since i am a ski instructor.nThere isnt alot of powder days in edmonton and i go down to the mountains once in a while. I will be learning park on these skis primarally and i might be using these on a fun freeski day. Also where should i be getting them mounted. I am also open to any other suggestions you might have.. ps.nI am 5'10 and 160 pounds if that changes anything. Thanks