It was a real challenge to get it to fit just right. Where you have yours mounted is nice and clean and would have taken far less aggravating calculating work. For my particular situation that wasn't a viable clean installation. If it was the shorter model, it probably would have.
I actually prefer the reservoir near the front fans even though it was a pain to install. Where I've mounted it allows better air flow around the reservoir which increase heat dissipation and remove the likelihood of hot spots where air flow is typically not as good. In the end it was worth it, but during the trial and error, I wasn't a happy camper. I would have loved to have seen a setup before my attempts as its always nice to work off of someones template and tweak it as needed. ...which is why I'm posting the build to begin with.
The case seems so large at first, but during the install, it appears to get smaller and smaller...lol