Saving up a lot and then buying everything at once is a horrible idea, since there's just no way you will find "your style" at the first try. But since you've already saved up a fortune, I'd say get simple pieces that can be incorporated in a lot of different styles and don't cost a fortune (for example nice jeans, tees, a casual shirt or two, some simple sneakers like Common Projects, and some nice other pair of footwear). You will look fine just wearing this, but from this and from for example following the waywt-and best of waywt-thread you can try out more specific pieces and see what you like.
Also, since you do have quite a lot to spend, you should consider getting a TOJ leather-jacket before they close doors in a week or so, as you just won't be able to get the same level of quality at that pricepoint when they aren't around anymore.
Hopefully this was helpful, and welcome to the forum