Upgrade question

[Dave****]

I am thinking of upgrading my cpu mb and ram and tryin to keep my case and wanted to know if what I am picking with work together and fit in said case.

Antec 300 Gaming case

Coolermaster V8 CPU cooler

i7 CPU 2.80Ghz

Gigabyte GA-X58A-UD3R Intel X58

Corsair Dominator 3GB (3x1GB) DDR3


I also have a GTX 260 Black Edition, Coolermaster Silent Pro 850w PSU and SATA hdd and DVD re writer.

Any suggestions would be great.

 

[Dave****]

Gaming mostly. And I have no idea what you meant sorry. :S

 

[Dave****]

Thanks for your input!