Upvoted both, but I would never recommend Hydra over Trinity Force on Nasus, and I would say GA is a stronger item in build 1 than BV. You could also mention CD glyphs as SV and FH don't max out your CDR anymore, and starting the game off with 7.5% CDR will eventually lead to a noticeable increase in Q stacks.
Oh, right. I wouldn't recommend red pot, seeing as season 4 fb doesn't even pay you back what the red post cost in the first place if you get it before 4 minutes. Just not worth it anymore. Aside from that I don't know much about Graves as I don't play him and don't hear much about him either.
Here's my first kennen guide. I used the making a guide guide, and I need more reviews and votes to make this guide look better or have better information.
Link: http://www.mobafire.com/league-of-legends/build/s4-ap-kennen-mid-top-electrical-maelstrom-of-shurikens-366239
Thank you for your consideration!
Link: http://www.mobafire.com/league-of-legends/build/s4-ap-kennen-mid-top-electrical-maelstrom-of-shurikens-366239
Thank you for your consideration!

Thank you to IPodPulse for making this sig!
Check out my Kennen guide:
AP Kennen Mid/Top: Electrical Maelstrom of Shurikens!
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Template
Guide link: Link of guide here
that's it for the template. good luck
Edit: Also if your cheatsheet is bad enough I'll downvote straight away and not read the rest of the guide