I throw in your range distance wise, and in my epic struggle to find drivers I want to stick with I picked up a couple DX Eagles the other day. I was in love with Gazelles, but the lack of premium plastic and an uncertain future led me to try the Cyclone and OLF. I didn't care too much for the large diameter of the Cyclone, and it was a little too easy to turn, and the OLF was too tough to turn, but the Eagle seems just right. Good choice there.
Valk VS. Orc depends a bit on your throwing style IMO. If you naturally like to hyzerflip go with the Valk, and if you're a flat thrower go Orc. I have a mid 160s star Valk thats pretty predictable and fun. I have a DOMEY champ Destroyer that I can crush, I just have no idea where its going to go. The Valk is probably my most predictable distance disc right now, but I feel I need a little tailwind and a medium hyzer to really lay into it.You may be able to handle something like a beat pro Destroyer in the high 160s.
Why are you thinking Roc from Buzzz? I threw the Roc, then the Core, then mold inconsistencies have made me try the Buzzz. Its a work in progress, but I think I'm really going to like it eventually. It does like to be thrown harder and flatter than most mids, I'm hoping that will change a bit with time.
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