It was hard in some ways because your wrong spent lots of money so to match up I had to be ... what the best... whats the best... whats the best... in each and every components.
Basically I had to add a 3d 27 inch monitor and the nvidia glasses. Also 32 gigs of ram, one of the leading top 1155 i7 CPU
https://secure.newegg.com/WishList/MySavedWishDetail.aspx?ID=20196345
Now, your friend has a good system, no doubts about that. It will stick around for a good time, though he needs to understand that the stuffs inside are the same that you can find in major retailers and/or E-retailers; therefore no matter where he goes, he will never be able to come near close to what he could have paid if he did it himself and for a system like this.... about 5 hours with breaks if it is your first timer... but it is also fun to do...