right im building a new computer and just wanted to double check everything fits perfect 
case will be :Antec 1200 Twelve Hundred (V3 with USB3.0) Ultimate Gaming Case - Black
psu is: Hiper 580W HPU-4M580 SLi Certified ATX2.2 Power Supply
motherboard:Gigabyte GA-880GM-USB3 AMD 880G (AM3+) DDR3 Motherboard [GA 880GM-USB3]
http://www.overclockers.co.uk/showproduct.php?prodid=MB-369-GI&groupid=701&catid=1903&subcat=
Processor: AMD Phenom II X4 Quad Core 955 Black Edition "125W Edition" 3.20GHz (Socket AM3) - Retail [HDZ955FBGMBOX]
http://www.overclockers.co.uk/showproduct.php?prodid=CP-244-AM&groupid=701&catid=6&subcat=1943
Ram: Crucial Ballistix Sport 12GB (3x4GB) DDR3 PC3-12800C10 1600MHz Triple Channel Kit (BL3KIT51264BA160A) [BL3KIT51264BA160A]
http://www.overclockers.co.uk/showproduct.php?prodid=MY-131-CR&groupid=701&catid=8&subcat=1389
Graphics card: MSI GeForce GTX 460 Cyclone 1024MB GDDR5 PCI-Express Graphics Card
http://www.overclockers.co.uk/showproduct.php?prodid=GX-092-MS&groupid=701&catid=1914&subcat=
os will be windows 7
if anyone would please help and if you have anyother suggestion for a diffrent graphics card? i want one about £80-£120 which is decent to run most new games top spec
Many thanks

case will be :Antec 1200 Twelve Hundred (V3 with USB3.0) Ultimate Gaming Case - Black
psu is: Hiper 580W HPU-4M580 SLi Certified ATX2.2 Power Supply
motherboard:Gigabyte GA-880GM-USB3 AMD 880G (AM3+) DDR3 Motherboard [GA 880GM-USB3]
http://www.overclockers.co.uk/showproduct.php?prodid=MB-369-GI&groupid=701&catid=1903&subcat=
Processor: AMD Phenom II X4 Quad Core 955 Black Edition "125W Edition" 3.20GHz (Socket AM3) - Retail [HDZ955FBGMBOX]
http://www.overclockers.co.uk/showproduct.php?prodid=CP-244-AM&groupid=701&catid=6&subcat=1943
Ram: Crucial Ballistix Sport 12GB (3x4GB) DDR3 PC3-12800C10 1600MHz Triple Channel Kit (BL3KIT51264BA160A) [BL3KIT51264BA160A]
http://www.overclockers.co.uk/showproduct.php?prodid=MY-131-CR&groupid=701&catid=8&subcat=1389
Graphics card: MSI GeForce GTX 460 Cyclone 1024MB GDDR5 PCI-Express Graphics Card
http://www.overclockers.co.uk/showproduct.php?prodid=GX-092-MS&groupid=701&catid=1914&subcat=
os will be windows 7

Many thanks