tips on upgrading my computer?

[daswag3r]

my computer {http://h20564.www2.hp.com/hpsc/doc/public/display?docId=c03782932

i plan on adding a GTX 750Ti and a 430w Corsair power supply http://

Is this a valid upgrade and will i run into any problems with these additions,please give me suggestions

 

[daswag3r]

BUMP