I took a quick look through the parts list:
I really only noticed a few things...
The HDD you should try to get one with a higher cache like 32mbSpeed on a HDD for gaming is up there in importance. He would benefit from a faster spinning HDD also, but they can cost a lot more money
The other thing is the Case and PSU combo:
You are always best off purchasing a PSU separately... The PSU that comes with that case will not be that great. You would be much better off getting a Corsair PSU, or other comparable PSU (Remember Wattage and Amperage are very important in a stable rig)
If you cheap out on a PSU this great computer will be horrible(most likely)
Some problems include:
All things that a gamer and any normal person don't want to experience...
There is a cheap $50 corsair 450w that a tech here pointed out to me.
It can kick alot of other PSU's butts based on amperage and not watts (of course it is not able to run every computer)
Some PSU's boast high wattages but can't supply enough amperage so it is just as bad a buying a cheap low watt PSU
Use the eXtreme PSU Calculator Lite
to determine your power supply unit (PSU) requirements. Plug in all the hardware you think you might have in 2 or 3 years (extra drives, bigger or 2nd video card, more RAM, etc.). Be sure to read and heed the notes at the bottom of the page. I recommend setting Capacitor Aging to 30%, and if you participate in distributive computing projects (e.g. BOINC or Folding@Home), I recommend setting TDP to 100%. Research your video card and pay particular attention to the power supply requirements for your card listed on your video card maker's website. If not listed, check a comparable card (same graphics engine and RAM) from a different maker. The key specifications, in order of importance are:
1. Current (amperage or amps) on the +12V rail,
3. Total wattage.
Then look for power supply brands listed under the "Good" column of PC Mechanic's PSU
Reference List. Ensure the supplied amperage on the +12V rails of your chosen PSU meets the requirements of your video card. Don't try to save a few dollars by getting a cheap supply. Digital electronics, including CPUs, RAM, and today's advanced graphics cards, need clean, stable power. A good, well chosen supply will provide years of service and upgrade wiggle room. I strongly recommend you pick a supply with an efficiency rating equal to, or greater than 80%. Look for the 80 Plus - EnergyStar Compliant label
. And don't forget to budget for a good UPS with AVR (automatic voltage regulation).
Credit to Digerati for this speech:
Other than that I really didn't see anything else that stuck out...