People will tell you to browse for a build, buy yada yada yada.
But the best info is, dive in the deep end, do your own thing, Fail, then make your second build off someone else's work.
No pvp,
Graphic's is okay, but it requires High end hardware, but its still optimised badly.
Highly populated, but solo is probably most effective.
No such thing as OP, or shit like starting a socresses on first ladder reset, it depends on what you wana do, Just go with your gut.
No gold, currency is orbs, orbs can trade other orbs, or gear.
Games shit, D3 is better.
http://poe.trade/^Website based, trade platform.
Any questions or anything else, Google it.