When buying the gun I always recommend buying used. For everything else it's less important, but I prefer new when it comes to stuff like clothing/packs/masks, stuff like that.
As for gun options, the Axe is certainly a capable marker, but also keep in mind Marqs (maybe even some cheap Victorys), DMs, Droids/Clones, Cyborgs, and others.
I personally like the engine in the Axe, but I can't stand the body/grip it's in, so I'd prefer a different gun if I was looking in that price range. My personal favorites are the Marqs/Vics.
Very true I always bought clothing and masks new. At my local field i've shot an axe before and the grip didn't bother me too much. But I also love how smooth the ego 9 was when I shot it. Thanks for the reply.