Is there anything I could Improve on my custom built gaming PC?

Hey guys I really appreciate the responses, Shneiky I looked at some benchmarks with the i7 vs the i5 and there really isn't too much of a performance gain as and it also costs $100 or so more so I don't feel that's a worth it upgrade. Also down the line Intel is releasing Broadwell processors which again are a new form of technology but when in the technology market there is always that well worth it upgrade around the corner essentially you cannot always wait.
jimthenagual thanks for informing me I was considering the wait but its also why I opted to go for the 770 rather then the 780 its rather difficult trying to pinpoint the release date and its essentially a minor upgrade on AMD's top cards at the moment and from the benchmarks I have been able to find the performance gain is quite minimal comparatively similar to an overclocked AMD Radeon™ HD 7990 from what I have heard though i could be wrong. Either way I'm not into waiting too long and I don't think the price drop will be to dramatical with the price its currently at which I think is quite reasonable.
Wolfshadw "Is there a specific reason for going with the ASUS Maximus VI Formula motherboard? You could get a quality motherboard for less than half the cost if you don't need all the bells and whistles that ASUS board gives." This was more a novelty decision I quite agree with you, i think in my research i stumbled upon it and just fell in love but it is probably a poor decision as I most likely wont be using all of the features. I want to have a motherboard that's ready as can be for what the future has to offer as I intend for this system to last me. If you could provide some links to some reviews or make some more suggestions I would really appreciate it. In regards to the RAM look i'm really not knowledgeable in the area to understand the performance gains. I was going to go for the 16 GB option but yeah earlier today I assumed RAM was based off its MHz 1350. 1600, 1866, 2200 etc or w/e then i noticed that there are different brands offering lower latency etc I really don't know what to do in this aspect I was looking at Memory G.Skill Ares Series 8GB (2 x 4GB) DDR3-1866 $72.90 would I notice a big performance gain between the two? again if you guys could provide some insight for me I would be really appreciative haha thats why I have posted here to get better informed .
Now everybody has commented on the power supply, I did use a calculator to see what my watts came too and yes it is definitely overkill but from what I have heard having more is far better then having less. In the future I will be purchasing another Nvidia GTX 770 for SLI but I do understand that even then it doesn't come close to the 1000 watt mark but for the price I was thinking it costs as much as an 850 watt and it has alright reviews but would it effectively be power waste?, or throttle my performance? If you guys could link me a great power supply to go with my rig that has less watts preferably a platinum efficiency that would also be great.
newfolder7 I have read and looked at some recent benchmarks they look like a nice card for ATI and I have supported them my entire life i'm really looking for a change by going for Nvidia and I prefer the driver support Nvidia has. But yeah just a personal preference I'm not going ATI this time.
Once again thanks guys I really appreciate your input i'm trying to build the perfect machine hope to hear back from you all soon.
cheers
P.S what do you think of the case? I had allot of trouble deciding on one and I want to make sure I get the right one. Also is Seagate the right brand to go? or should i go for a western digital black version or something?