hey there. i want to assemble a gaming machine for 50000 bucks. is this config fine and future proof(currently i am running a compaq presario 5000 with intel 810 mobo, onboard graphics , samsung dvd rom 192 mb sd ram)

-
amd 64 bit processor
msi mobo
nvidia gpu or ati
samsung monitor
present speakers, keyboard, mouse, dvd rom and floppy drive.
pls help