The i5 will be perfect at this budget for gaming. It has plenty of power for gaming, but is also great for normal CPU tasks with Intel's single thread performance.
Liquid cooling is easy with a unit like the H80i. It requires no maintenance, and installs just as easy as a regular CPU cooler.
The RAM you want to just get the cheapest 1600 or 1866MHz at 1.5v with CAS Latency of 9 you can find, brand name doesn't matter.
The 840 EVO SSD is fast and very reliable.
The Hitachi drive for mass storage and low failure rate, and cheap!
GTX 770 as you will get Ultra/Max at 1080p gaming now, and the 4GB version in case you need more performance in the future you can get another 4GB 770 and get incredible performance.
Phantom 410 case cause it's nice and has a window.
Power supply because it is top-notch quality, with plenty of room to upgrade and overclock.
Windows 8.1 because it's newest, and gives a performance boost to most games.
ASUS monitor for ASUS quality, very bright, good colors and good size.
Keyboard/mouse combo because it's a good budget option.
Corsair Raptor Headphones because they are pretty good quality at a pretty good price.