Get a case with some room to work with and some decent cooling and airflow. Don't skimp or your going to regret it.
http://www.amazon.com/Corsair-Carbide-Series-Gaming-Com... $99.99 & this item ships for FREE with Super Saver Shipping
Corsair Carbide Series 400R Mid Tower Gaming Computer Case - CC-9011011-WW
http://www.corsair.com/pc-cases/carbide-series-pc-case/... <----- another look at that case
The "Modstream" series of OCZ psu's was one of their worst. These new ZS series psu's have gotten great reviews.
http://www.microcenter.com/single_product_results.phtml... $92.99
OCZ Technology ZS Series 750 Watt ATX Power Supply
Always go for low profile RAM so you don't impede your cpu h/s
http://www.microcenter.com/single_product_results.phtml... $39.99
Crucial 8GB DDR3-1600 (PC3-12800) CL9 U-DIMM Desktop Memory Kit (Two 4GB Memory Modules)
or...
http://www.newegg.com/Product/Product.aspx?Item=N82E168... $44.99 FREE SHIPPING
G.SKILL Ares Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-1600C9D-8GAO
This is the newer and latest version of that Seagate 1TB hard drive.
http://www.amazon.com/Seagate-Barracuda-3-5-Inch-Intern... $99.99 & this item ships for FREE with Super Saver Shipping
Seagate Barracuda 7200 1 TB 7200RPM SATA 6 Gb/s NCQ
64MB Cache 3.5-Inch Internal Bare Drive ST1000DM003
This new Kingston line of SSD's has gotten great reviews across the net and it's a steal for that price.
http://www.amazon.com/Kingston-SSDNow-120GB-Solid-KW-S2... $129.99 & this item ships for FREE with Super Saver Shipping
Kingston SSDNow V+200 120GB SATA III 6Gb/s 2.5 Inch Solid State Drive KW-S2120-4B
http://www.amazon.com/Sony-AD-7280S-0B-Internal-Drive-B... $17.99 & eligible for FREE Super Saver Shipping on orders over $25
Sony AD-7280S-0B 24x SATA Internal DVD+/-RW Drive (Black)
Google some reviews on that Asrock board. It's a gamer.
http://www.microcenter.com/storefronts/intel/3rdGEN_pro... $279.98 (cpu + board combo)
3rd Gen Intel® Core™ i5-3570K Processor + ASRock Z77 Extreme4 LGA 1155 Z77 ATX Intel Motherboard
http://www.asrock.com/mb/overview.asp?Model=B75%20Pro3 <----- a better look at that Asrock board
http://www.newegg.com/Product/Product.aspx?Item=N82E168... <---- that board newegg
LED back lit, 2ms, and HDMI with this Asus monitor (1920 x 1080)
http://www.amazon.com/ML228H-22-Inch-Ultra-Slim-Widescr... $149.00 & this item ships for FREE with Super Saver Shipping
Asus ML228H 21.5" 1920X1080 2ms Full HD LED BackLight LED Monitor Slim Design 250 cd/m2 10,000,000 :1 (ASCR)
http://www.newegg.com/Product/Product.aspx?Item=N82E168... <----- that same monitor @ newegg
Here's just some options as far as vid cards go. It's worth reading the reviews/benchmarks imo.
http://www.newegg.com/Product/Product.aspx?Item=N82E168... $369.99 - $349.99 after mail-in rebate card FREE SHIPPING
5% off w/ promo code MSI425, ends 4/30
MSI R7870 Twin Frozr 2GD5/OC Radeon HD 7870 GHz Edition 2GB GDDR5 PCI Express 3.0 x16 Video Card
http://www.overclockers.com/msi-r7870-twin-frozr <----- review w/benchmarks of that MSI 7870
or...
http://www.newegg.com/Product/Product.aspx?Item=N82E168... $359.99
GIGABYTE GV-R787OC-2GD Radeon HD 7870 GHz Edition 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
http://www.guru3d.com/article/gigabyte-radeon-hd-7870-o... <----- review w/benchmarks of that Gigabyte 7870
or...
http://www.newegg.com/Product/Product.aspx?Item=N82E168... $349.99
ASUS HD7870-DC2-2GD5 Radeon HD 7870 GHz Edition 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
http://www.techpowerup.com/reviews/ASUS/HD_7870_Direct_... <----- review w/benchmarks of that Asus 7870