Yea that looks good but do you really need and I7 an I5 is good enough for most things. As well you might want to get a SSD boot drive.
So
CPU: Intel Core i5-3570K 3.4GHz
http://pcpartpicker.com/part/intel-cpu-bx80637i53570k
Mother Board: Asus
P8Z77-V LX...
I have found this about the computer you linked.
http://forums.lotro.com/showthread.php?459602-How-good-will-an-alienware-X51-699-work-with-this-game.
It is said that the GT 545 can run LotRO on high so yes it would work if.
PS; Alienware i way over priced nut if you want pre builds thats id...
When I start the computer up, I get past past the Asus flash screen an then it brings me to a page saying "Power supply surges detected during previous power on. Asus Anti-Surge was activated to protect the system from unstable power unit!".
Power Supply: XFX P1550SXXB9 Core Edition Power...
He could also try to get this card the msi twin frozr 2 for $260 at new egg
http://www.newegg.ca/Product/Product.aspx?Item=N82E16814127682
or $265 at tiger direct
http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=3199437&CatId=3585
I think it is the mother board as well. After you flash the bios and it still doesn't work refer to this page http://www.tomshardware.com/forum/261145-31-perform-steps-posting-post-boot-video-problems
Why did you spend $200 plus on your cpu and cheap out and get a $60 mb?
I hope im not too late here but you could try getting a gtx 480 it will work much better in Bf3 and it costs only $20 more the the 560ti.
Gtx 480 at new egg http://www.newegg.com/Product/Product.aspx?Item=N82E16814130759
I have got a SMART message saying that I have a high reallocated sector count in Crystal disk info it shows for that current 2 worst 2 threshold 36. This is just a back up dive my main drive is an ssd should i replace that hard drive?
I have $1000 to spend on a upgarde i was hoping to go for a 2500k as well as a new ssd
this is my current build right now
phenom 2 955
msi 870a-g54
evga 460 se
4g of patriot memroy ddr3
stock hsf
1tb hd
websites- ncix, newegg
country- canada
Uses- gaming, web, some photo hop
go with this gpu http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=7171406&CatId=3669
and this hard drive http://www.newegg.ca/Product/Product.aspx?Item=N82E16822148591