Replying to Skis too short

Im about 6' tall, 150 pounds (I know im lankey as fuck) and Im stuck on what skis to buy. I diffinately need at least 178cm ski preferably semetrical.

I was thinking either the Anthems or the Invaders, what would be better for me, the stiffer one or lighter?
I need more options aswell. Throw names of some good park skis at me.

Im not really leaning towards any ski, but It needs to last long and be the propper height.

Is 178cm too small?

lol does this make sence?