My first Custom PC Gaming Build - Need opinouns?

i custom ordered a DELLXPS gaming machine 4 gigs ram liquid and fan cooled cpu and it's just all the gaming i need radeon atv 880 bridgeable graphics .23 inch high def flat screen movies are great and the graphics in games are just fantasitic.g25 logitech racing wheel and pedals a logitech flight yoke .arca remax 08 is my preferred sim i only play sims online.ai gamine just cant hold a lite to it.